{"title":"Fuel","description":null,"products":[{"product_id":"snow-performance-boost-juice","title":"Boost Juice — 49\/51 Water-Methanol Premix (1 Gallon)","description":"\u003cp\u003ePre-mixed 49% methanol \/ 51% water injection fluid from Snow Performance. Mix ratio is below the federal flammable-liquid classification threshold, so it ships normally and stores like any other shop fluid.\u003c\/p\u003e\u003cp\u003eOne gallon. Compatible with all Snow Performance methanol injection systems and most aftermarket DI\/PI methanol setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e mixing your own from pump methanol and distilled water is cheaper. Pre-mix is for the customer who wants known purity and a known ratio. Both work.\u003c\/p\u003e","brand":"Snow Performance","offers":[{"title":"Default Title","offer_id":43280669802557,"sku":"EW-FLU-BOOSTJUICE-1GAL","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/snow_boost_juice_BLK01.png?v=1781742738"},{"product_id":"fuelit-pi-kit-s58","title":"Fuel-It! Port Injection Kit — S58 (G8x M3\/M4, G87 M2, X3 M \/ X4 M)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! port injection kit for the S58 — the G8x M3\/M4 (including M3 Touring and M4 Convertible), G87 M2, and F97 X3 M \/ F98 X4 M.\u003c\/strong\u003e Low-pressure port injection across all six intake runners, backing up the S58's direct injection for big power on pump, race gas, or E85 (Fuel-It rates the kit up to 1,000+ whp with the right injectors).\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA Fuel-It S58 billet fuel rail, up to six flow-matched port injectors (sized to your choice), stainless-braided lines, a port-injection controller, and the install hardware\/jig. It supplements the factory DI; injector size sets the power ceiling.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eThree choices in the configurator. \u003cstrong\u003eInjector:\u003c\/strong\u003e No injectors (rail and hardware only, to carry over your own set), or 550, 750, 950, or 1050cc — size it to your power target. \u003cstrong\u003eController:\u003c\/strong\u003e Standard fires the port injectors as a batched bank; CANfuel Sequential is Fuel-It's CAN-bus controller that fires each injector in sequence with the engine for finer fuel control. \u003cstrong\u003eFlex-Fuel:\u003c\/strong\u003e None, reuse your existing flex-fuel sensor, or add a new sensor.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eSupplemental fuel for high-power S58 builds. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 — G80 M3, G81 M3 Touring, G82 M4, G83 M4 Convertible, G87 M2, F97 X3 M, F98 X4 M. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s58\"\u003eFueling Kit — S58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"No injectors \/ Standard \/ None","offer_id":43280675045437,"sku":"FI-PI-S58","price":1995.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ Standard \/ Reuse existing sensor","offer_id":43280675078205,"sku":"FI-PI-S58-FLEXR","price":2094.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ Standard \/ New sensor","offer_id":43280675110973,"sku":"FI-PI-S58-FLEXN","price":2424.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ CANfuel Sequential \/ None","offer_id":43280675143741,"sku":"FI-PI-S58-SEQ","price":2494.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ CANfuel Sequential \/ Reuse existing sensor","offer_id":43280675176509,"sku":"FI-PI-S58-SEQ-FLEXR","price":2593.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ CANfuel Sequential \/ New sensor","offer_id":43280675209277,"sku":"FI-PI-S58-SEQ-FLEXN","price":2923.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ Standard \/ None","offer_id":43280675242045,"sku":"FI-PI-S58-I550","price":2284.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ Standard \/ Reuse existing sensor","offer_id":43280675274813,"sku":"FI-PI-S58-I550-FLEXR","price":2383.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ Standard \/ New sensor","offer_id":43280675307581,"sku":"FI-PI-S58-I550-FLEXN","price":2713.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential \/ None","offer_id":43280675340349,"sku":"FI-PI-S58-I550-SEQ","price":2783.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential \/ Reuse existing sensor","offer_id":43280675373117,"sku":"FI-PI-S58-I550-SEQ-FLEXR","price":2882.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential \/ New sensor","offer_id":43280675405885,"sku":"FI-PI-S58-I550-SEQ-FLEXN","price":3212.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard \/ None","offer_id":43280675438653,"sku":"FI-PI-S58-I750","price":2384.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard \/ Reuse existing sensor","offer_id":43280675471421,"sku":"FI-PI-S58-I750-FLEXR","price":2483.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard \/ New sensor","offer_id":43280675504189,"sku":"FI-PI-S58-I750-FLEXN","price":2813.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential \/ None","offer_id":43280675536957,"sku":"FI-PI-S58-I750-SEQ","price":2883.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential \/ Reuse existing sensor","offer_id":43280675569725,"sku":"FI-PI-S58-I750-SEQ-FLEXR","price":2982.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential \/ New sensor","offer_id":43280675602493,"sku":"FI-PI-S58-I750-SEQ-FLEXN","price":3312.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard \/ None","offer_id":43280675635261,"sku":"FI-PI-S58-I950","price":2484.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard \/ Reuse existing sensor","offer_id":43280675668029,"sku":"FI-PI-S58-I950-FLEXR","price":2583.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard \/ New sensor","offer_id":43280675700797,"sku":"FI-PI-S58-I950-FLEXN","price":2913.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential \/ None","offer_id":43280675733565,"sku":"FI-PI-S58-I950-SEQ","price":2983.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential \/ Reuse existing sensor","offer_id":43280675766333,"sku":"FI-PI-S58-I950-SEQ-FLEXR","price":3082.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential \/ New sensor","offer_id":43280675799101,"sku":"FI-PI-S58-I950-SEQ-FLEXN","price":3412.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ Standard \/ None","offer_id":43280675831869,"sku":"FI-PI-S58-I1050","price":2894.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ Standard \/ Reuse existing sensor","offer_id":43280675864637,"sku":"FI-PI-S58-I1050-FLEXR","price":2993.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ Standard \/ New sensor","offer_id":43280675897405,"sku":"FI-PI-S58-I1050-FLEXN","price":3323.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ CANfuel Sequential \/ None","offer_id":43280675930173,"sku":"FI-PI-S58-I1050-SEQ","price":3393.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ CANfuel Sequential \/ Reuse existing sensor","offer_id":43280675962941,"sku":"FI-PI-S58-I1050-SEQ-FLEXR","price":3492.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ CANfuel Sequential \/ New sensor","offer_id":43280675995709,"sku":"FI-PI-S58-I1050-SEQ-FLEXN","price":3822.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/FuelIt__s58-bmw-port-injection-kit__3.webp?v=1781742887"},{"product_id":"fuelit-wmi-pi-s58","title":"Fuel-It! Water\/Methanol Port Injection Kit — S58 (G80 M3 \/ G82 M4)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! water\/methanol port injection kit for the S58 — G80 M3 and G82 M4.\u003c\/strong\u003e The same six-injector port setup, but spraying a water\/methanol blend instead of fuel — charge-cooling and knock suppression that makes strong power even on pump gas.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA Fuel-It S58 billet rail with six injectors, a high-output water\/methanol pump, a stainless-braided meth line, a controller, and a 3.5-gallon stealth trunk tank. It supplements combustion cooling rather than adding fuel; it pairs well with E85 or pump-gas builds chasing knock margin.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eThree choices, all selectable in the configurator. Injector sizing — 550, 750, or 950cc — sets how much fluid the six ports can flow. Controller is either Standard or CANfuel Sequential, Fuel-It's CAN-bus sequential controller. Tank Color is Black or White, the cosmetic finish of the 3.5-gallon stealth trunk tank.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eCharge-cooling and knock suppression for high-power S58 builds. We tune the engine to the system to use it.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 — G80 M3 \/ M3 Competition (direct fit), G82 M4 \/ M4 Competition (tank fitment may require modification). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s58\"\u003eFueling Kit — S58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"550cc \/ Standard \/ Black","offer_id":43280678715453,"sku":"FI-WMI-PI-S58","price":1685.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ Standard \/ White","offer_id":43280678748221,"sku":"FI-WMI-PI-S58-W","price":1685.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential \/ Black","offer_id":43280678780989,"sku":"FI-WMI-PI-S58-SEQ","price":2184.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential \/ White","offer_id":43280678813757,"sku":"FI-WMI-PI-S58-SEQ-W","price":2184.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard \/ Black","offer_id":43280678846525,"sku":"FI-WMI-PI-S58-I750","price":1785.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard \/ White","offer_id":43280678879293,"sku":"FI-WMI-PI-S58-I750-W","price":1785.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential \/ Black","offer_id":43280678912061,"sku":"FI-WMI-PI-S58-I750-SEQ","price":2284.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential \/ White","offer_id":43280678944829,"sku":"FI-WMI-PI-S58-I750-SEQ-W","price":2284.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard \/ Black","offer_id":43280678977597,"sku":"FI-WMI-PI-S58-I950","price":1885.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard \/ White","offer_id":43280679010365,"sku":"FI-WMI-PI-S58-I950-W","price":1885.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential \/ Black","offer_id":43280679043133,"sku":"FI-WMI-PI-S58-I950-SEQ","price":2384.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential \/ White","offer_id":43280679075901,"sku":"FI-WMI-PI-S58-I950-SEQ-W","price":2384.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/FuelIt__s58-bmw-water-methanol-port-injection.webp?v=1781742887"},{"product_id":"fuelit-cpi-s63tu-n63tu","title":"Fuel-It! Charge Pipe Injection (CPI) Kit — S63TU \/ N63TU (M5 \/ M6 \/ 550i \/ 650i)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! charge pipe injection kit for the S63TU and N63TU — the F-chassis M5\/M6 and 550i\/650i.\u003c\/strong\u003e Instead of port injectors in the runners, it injects supplemental fuel into the charge pipe after the intercooler — a simpler way to keep the V8's high-pressure pumps from falling behind on ethanol blends.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eCharge-pipe injection running off the low-pressure supply to supplement the fuel system on E30–E50 mixes, so the high-pressure pumps can keep up. Options include a fail-safe box or a standalone controller; it pairs with a flex-fuel kit for ethanol monitoring and wants an intercooler with a post-intercooler bung.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003ePick your Controller in the configurator. \u003cstrong\u003eWith fail-safe box\u003c\/strong\u003e is the entry control option — it manages the supplemental injection and keeps it within limits. \u003cstrong\u003eWith standalone controller\u003c\/strong\u003e steps up to a full standalone controller, the higher-tier choice for builds wanting dedicated control over the charge-pipe fueling.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eSupplemental fueling for ethanol-blend S63TU\/N63TU builds whose high-pressure pumps are the limit. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS63TU \/ N63TU (F-chassis) — F10 M5 \u0026amp; 550i, F06\/F12\/F13 M6 \u0026amp; 650i. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s63\"\u003eFueling Kit — S63\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"With fail-safe box","offer_id":43280679108669,"sku":"FI-CPI-S63TU","price":755.0,"currency_code":"USD","in_stock":true},{"title":"With standalone controller","offer_id":43280679141437,"sku":"FI-CPI-S63TU-SAC","price":1005.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/fuelit-cpi-s63tu-n63tu.webp?v=1781742886"},{"product_id":"spool-fx200-hpfp-n20","title":"Spool Performance FX-200 High-Pressure Fuel Pump — N20 \/ N26","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance FX-200 high-pressure fuel pump for the N20\/N26 — the direct-injection pump that clears the Stage 2\/3 fueling ceiling.\u003c\/strong\u003e The factory DI pump runs out of volume as boost and ethanol go up, and the tune starts trimming power to hold rail pressure. The FX-200 roughly doubles stock flow, so fuel stops being the limit.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA direct, plug-and-play replacement for the OEM high-pressure (direct-injection) pump — larger bore, about twice the flow of stock, E85-compatible. A matching calibration has to be loaded before first start.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eThis is the high-pressure (DI) side. On a Stage 3 build it pairs with an upgraded low-pressure in-tank pump so it's always fed — we tune the engine to the fuel system, not the other way around.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eSpool offers a wireless ethanol-content analyzer and a 10-micron inline filter as add-ons — tell us if you want either specced in.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW N20\/N26 (F-chassis) — 228i (F22\/F23), 320i\/328i (F30\/F31), 428i (F32\/F33\/F36), 528i (F10). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-n20\"\u003eFueling Kit — N20\u003c\/a\u003e bundles the matched pump + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"None \/ None","offer_id":43280681140285,"sku":"SP-FX-200-N20-NENF245","price":2205.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ None","offer_id":43280681173053,"sku":"SP-FX-200-N20-NENF245-UE","price":2205.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ None","offer_id":43280681205821,"sku":"SP-FX-200-N20-NENF245-EA","price":2554.0,"currency_code":"USD","in_stock":true},{"title":"None \/ With 10-Micron Filter","offer_id":43280681238589,"sku":"SP-FX-200-N20-NENF245-F","price":2354.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ With 10-Micron Filter","offer_id":43280681271357,"sku":"SP-FX-200-N20-NENF245-UE-F","price":2354.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ With 10-Micron Filter","offer_id":43280681304125,"sku":"SP-FX-200-N20-NENF245-EA-F","price":2703.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool-fx200-hpfp-ew.webp?v=1781742886"},{"product_id":"spool-fx200-hpfp-n55","title":"Spool Performance FX-200 High-Pressure Fuel Pump — N55 (F-Chassis)","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance FX-200 high-pressure fuel pump for the F-chassis N55 — the direct-injection pump that clears the Stage 2\/3 fueling ceiling.\u003c\/strong\u003e The factory DI pump runs out of volume as boost and ethanol climb, and the calibration starts trimming power to hold rail pressure. The FX-200 roughly doubles stock flow, so fuel stops being the limit.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA direct, plug-and-play replacement for the OEM high-pressure (direct-injection) pump — larger bore, about twice stock flow, E85-compatible. A matching calibration is loaded before first start.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eThe high-pressure (DI) side; on a Stage 3 build it pairs with an upgraded low-pressure in-tank pump so it stays fed. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eSpool offers a wireless ethanol-content analyzer and a 10-micron inline filter as add-ons — tell us if you want either specced in.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW N55 (F-chassis) — F20\/F21 M135i, F22\/F23 M235i, F30 335i, F32\/F33\/F36 435i, F87 M2, F25 X3 35i, F26 X4 35i, F10 535i. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-n55\"\u003eFueling Kit — N55\u003c\/a\u003e bundles the matched pump + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"None \/ None","offer_id":43280681336893,"sku":"SP-FX-200-N55-NENF-DFVA","price":2205.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ None","offer_id":43280681369661,"sku":"SP-FX-200-N55-NENF-DFVA-UE","price":2205.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ None","offer_id":43280681402429,"sku":"SP-FX-200-N55-NENF-DFVA-EA","price":2554.0,"currency_code":"USD","in_stock":true},{"title":"None \/ With 10-Micron Filter","offer_id":43280681435197,"sku":"SP-FX-200-N55-NENF-DFVA-F","price":2354.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ With 10-Micron Filter","offer_id":43280681467965,"sku":"SP-FX-200-N55-NENF-DFVA-UE-F","price":2354.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ With 10-Micron Filter","offer_id":43280681500733,"sku":"SP-FX-200-N55-NENF-DFVA-EA-F","price":2703.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool-fx200-hpfp-ew02.webp?v=1781742887"},{"product_id":"spool-fx200-hpfp-b58-gen1","title":"Spool Performance FX-200 High-Pressure Fuel Pump — B58 Gen1 (F-Chassis)","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance FX-200 high-pressure fuel pump for the Gen1 B58 — the direct-injection pump that clears the Stage 2\/3 fueling ceiling.\u003c\/strong\u003e The factory DI pump runs out of volume as boost and ethanol climb, and the tune starts trimming power to hold rail pressure. The FX-200 roughly doubles stock flow, so fuel stops being the limit.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA direct, plug-and-play replacement for the OEM high-pressure (direct-injection) pump — about twice stock flow, E85-compatible. A matching calibration is loaded before first start.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure (DI) side; pair it with an upgraded low-pressure in-tank pump on a Stage 3 build. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eSpool offers a wireless ethanol-content analyzer, a 10-micron inline filter, and a stainless high-pressure line as add-ons — tell us if you want them specced in.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eGen1 B58 (F-chassis) — M240i (F22\/F23), 340i (F30\/F31\/F34), 440i (F32\/F33\/F36), 540i (F10). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-b58\"\u003eFueling Kit — B58\u003c\/a\u003e bundles the matched pump + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"None \/ None \/ None","offer_id":43280682647613,"sku":"SP-FX-200-B58-1452F","price":2205.0,"currency_code":"USD","in_stock":true},{"title":"None \/ None \/ With Stainless HP Line","offer_id":43280682680381,"sku":"SP-FX-200-B58-1452F-SS","price":2304.0,"currency_code":"USD","in_stock":true},{"title":"None \/ With 10-Micron Filter \/ None","offer_id":43280682713149,"sku":"SP-FX-200-B58-1452F-F","price":2354.0,"currency_code":"USD","in_stock":true},{"title":"None \/ With 10-Micron Filter \/ With Stainless HP Line","offer_id":43280682745917,"sku":"SP-FX-200-B58-1452F-F-SS","price":2453.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ None \/ None","offer_id":43280682778685,"sku":"SP-FX-200-B58-1452F-UE","price":2205.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ None \/ With Stainless HP Line","offer_id":43280682811453,"sku":"SP-FX-200-B58-1452F-UE-SS","price":2304.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ With 10-Micron Filter \/ None","offer_id":43280682844221,"sku":"SP-FX-200-B58-1452F-UE-F","price":2354.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ With 10-Micron Filter \/ With Stainless HP Line","offer_id":43280682876989,"sku":"SP-FX-200-B58-1452F-UE-F-SS","price":2453.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ None \/ None","offer_id":43280682909757,"sku":"SP-FX-200-B58-1452F-EA","price":2554.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ None \/ With Stainless HP Line","offer_id":43280682942525,"sku":"SP-FX-200-B58-1452F-EA-SS","price":2653.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ With 10-Micron Filter \/ None","offer_id":43280682975293,"sku":"SP-FX-200-B58-1452F-EA-F","price":2703.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ With 10-Micron Filter \/ With Stainless HP Line","offer_id":43280683008061,"sku":"SP-FX-200-B58-1452F-EA-F-SS","price":2802.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool-fx200-hpfp-ew03.webp?v=1781742887"},{"product_id":"spool-fx350-hpfp-b58-gen2","title":"Spool Performance FX-350 High-Pressure Fuel Pump — B58 Gen2 (G-Chassis)","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance FX-350 high-pressure fuel pump for the Gen2 B58 — a 350-bar pump that takes the direct-injection side well past Stage 2.\u003c\/strong\u003e It moves the FX-200's volume but at 350 bar (5,000 psi), with a stainless, DLC-coated piston and bore, so rail pressure holds where the factory pump folds.\u003c\/p\u003e\n\u003ch3\u003eWhat it supports\u003c\/h3\u003e\n\u003cp\u003eSpool rates the pump alone at roughly 800 whp on gas, 670 on E50, 600 on E85; with their matched Gen2 injectors about 900\/740\/660; and with injectors plus the high-lift exhaust-cam fuel-lobe mod about 1,050\/950\/800. Single pump, plug-and-play, lifetime warranty.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure (DI) side; it requires an upgraded low-pressure in-tank pump to keep it fed, and a matching calibration. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eSpool offers a wireless ethanol-content analyzer and a 10-micron inline filter as add-ons — tell us if you want either specced in.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eGen2 B58 (G-chassis) — M340i (G20\/G21), M440i (G22\/G23\/G26), M240i (G42), Z4 M40i (G29), X3\/X4 M40i (G01\/G02), 540i (G30), 740i (G11\/G12), 840i (G15\/G16), X5\/X6\/X7 40i (G05\/G06\/G07). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-b58\"\u003eFueling Kit — B58\u003c\/a\u003e bundles the matched pump + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"None \/ None","offer_id":43280683040829,"sku":"SP-B58-FX350-NENF15","price":2435.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ None","offer_id":43280683073597,"sku":"SP-B58-FX350-NENF15-UE","price":2435.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ None","offer_id":43280683106365,"sku":"SP-B58-FX350-NENF15-EA","price":2784.0,"currency_code":"USD","in_stock":true},{"title":"None \/ With 10-Micron Filter","offer_id":43280683139133,"sku":"SP-B58-FX350-NENF15-F","price":2584.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ With 10-Micron Filter","offer_id":43280683171901,"sku":"SP-B58-FX350-NENF15-UE-F","price":2584.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ With 10-Micron Filter","offer_id":43280683204669,"sku":"SP-B58-FX350-NENF15-EA-F","price":2933.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool-fx350-hpfp-ew03.webp?v=1781742886"},{"product_id":"spool-fx350-hpfp-s58","title":"Spool Performance FX-350 High-Pressure Fuel Pumps (Pair) — S58","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance FX-350 high-pressure fuel pumps for the S58 — supplied as a matched pair for the engine's dual-pump direct-injection system.\u003c\/strong\u003e Each is a 390-bar (5,600 psi) pump with a stainless, DLC-coated piston and bore; together they deliver about 50% more fuel than the OEM pumps.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA two-pump kit (one per OEM location) — Spool sizes the S58\/S63 V8 pumps at 390 bar rather than the inline-six's 350 bar. Plug-and-play, lifetime warranty, pairs with Spool's Gen2 DI injectors. The kit includes both pumps, brackets, an alignment tool, a triple-layer low-pressure line, and a plug-and-play adapter harness + hardline.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure (DI) side; run it with an upgraded low-pressure in-tank pump and a matching calibration. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eSpool offers a wireless ethanol-content analyzer and a 10-micron inline filter as add-ons — tell us if you want either specced in.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 — G80\/G81 M3, G82\/G83 M4, G87 M2, F97 X3 M, F98 X4 M. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s58\"\u003eFueling Kit — S58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"None \/ None","offer_id":43280685563965,"sku":"SP-S58-FX350-2","price":5435.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ None","offer_id":43280685596733,"sku":"SP-S58-FX350-2-UE","price":5435.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ None","offer_id":43280685629501,"sku":"SP-S58-FX350-2-EA","price":5784.0,"currency_code":"USD","in_stock":true},{"title":"None \/ With 10-Micron Filter","offer_id":43280685662269,"sku":"SP-S58-FX350-2-F","price":5584.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ With 10-Micron Filter","offer_id":43280685695037,"sku":"SP-S58-FX350-2-UE-F","price":5584.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ With 10-Micron Filter","offer_id":43280685727805,"sku":"SP-S58-FX350-2-EA-F","price":5933.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool-fx350-hpfp-ew02.webp?v=1781742886"},{"product_id":"spool-hpfp-s63","title":"Spool Performance FX-350 High-Pressure Fuel Pumps (Pair) — S63 (F90 M5 \/ M8 \/ X5 M \/ X6 M)","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance FX-350 high-pressure fuel pumps for the Gen2 S63 — a matched pair for the twin-turbo V8's dual-pump direct-injection system.\u003c\/strong\u003e Each is a 390-bar (5,600 psi) pump with a stainless, DLC-coated piston and bore; together about 50% more fuel than the OEM pumps.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA two-pump kit (one per OEM location), 390 bar. Plug-and-play, lifetime warranty, pairs with Spool's Gen2 DI injectors. Includes both pumps, brackets, an alignment tool, a triple-layer low-pressure line, and a plug-and-play adapter harness + hardline.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure (DI) side; run it with an upgraded low-pressure in-tank pump and a matching calibration. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eSpool offers a wireless ethanol-content analyzer and a 10-micron inline filter as add-ons — tell us if you want either specced in.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eGen2 S63 — F90 M5, F91\/F92\/F93 M8, F95 X5 M, F96 X6 M. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s63\"\u003eFueling Kit — S63\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"None \/ None","offer_id":43280685760573,"sku":"SP-S63-FX350-2","price":5435.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ None","offer_id":43280685793341,"sku":"SP-S63-FX350-2-UE","price":5435.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ None","offer_id":43280685826109,"sku":"SP-S63-FX350-2-EA","price":5784.0,"currency_code":"USD","in_stock":true},{"title":"None \/ With 10-Micron Filter","offer_id":43280685858877,"sku":"SP-S63-FX350-2-F","price":5584.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ With 10-Micron Filter","offer_id":43280685891645,"sku":"SP-S63-FX350-2-UE-F","price":5584.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ With 10-Micron Filter","offer_id":43280685924413,"sku":"SP-S63-FX350-2-EA-F","price":5933.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool-fx350-hpfp-ew.webp?v=1781742886"},{"product_id":"snow-performance-stage-3-methanol-kit","title":"Snow Performance Stage 3 DI Water\/Methanol Kit","description":"\u003cp\u003e\u003cstrong\u003eCharge cooling that lowers IAT under sustained boost.\u003c\/strong\u003e The Stage 3 DI kit injects a 49% methanol \/ 51% water mix (Snow's Boost Juice) into the charge tract. Effective IAT drop is 15–35°F depending on ambient and boost pressure. Detonation margin moves with it.\u003c\/p\u003e\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHD pump with steel-braided pressure line\u003c\/li\u003e\n\u003cli\u003eController with boost-referenced injection mapping (electronically dosed, not vacuum-line driven)\u003c\/li\u003e\n\u003cli\u003eReservoir, mounting hardware, harness\u003c\/li\u003e\n\u003cli\u003e1 gallon of Boost Juice to start the system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat it does for your tune\u003c\/h3\u003e\u003cp\u003eCharge cooling buys timing margin. On a calibrated B48 or B58 running aggressive timing in the cells where the engine is most knock-limited, meth allows 1–3° more advance at the same knock probability. That's not a flat power number — it's a track-day repeatability number.\u003c\/p\u003e\u003ch3\u003eNot magic\u003c\/h3\u003e\u003cp\u003eMeth is not a substitute for proper fueling, a correctly sized intercooler, or a calibration that respects your fuel system's actual capacity. It is an additional knock margin tool. We use it on Stage 2+ builds where the customer drives the car hot.\u003c\/p\u003e","brand":"Snow Performance","offers":[{"title":"Default Title","offer_id":43280686678077,"sku":"EW-ENG-METHKIT-S3","price":1205.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/snow_stg3_DI_EW_BLK01.png?v=1781742738"},{"product_id":"dorch-n55-hpfp-upgrade","title":"Dorch Engineering N55 HPFP Upgrade","description":"\u003cp\u003e\u003cstrong\u003eDorch Engineering high-pressure fuel pump upgrades for the N55.\u003c\/strong\u003e The N55 OEM HPFP is the fuel-system bottleneck on tuned single-turbo I6 builds — Stage 2+ calibration pulls more fuel mass-flow than the factory pump can sustain, which surfaces as fuel pressure deviation codes, knock under load, and progressive engine wear if left unaddressed.\u003c\/p\u003e\n\n\u003ch3\u003eTwo options\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLift Kit\u003c\/strong\u003e — Dorch's proprietary cam installed inside the OEM HPFP cartridge. More fuel flow on the factory pump body. Same OEM packaging, same OEM hard line connections, no fitment changes. Requires a core deposit — return your OEM pump cartridge to Dorch within 30 days, get the core refund.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDS25 Stage 2\u003c\/strong\u003e — Full pump assembly with Dorch's larger-displacement cartridge. Bolt-in replacement for the OEM HPFP. No core required. The build path for Stage 3 N55 builds running E85 or methanol injection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you need to know\u003c\/h3\u003e\n\u003cp\u003eThe N55 platform fuel system upgrade conversation usually starts with the Lift Kit because of the price and packaging simplicity. If you're targeting top-end Stage 3 N55 output or running aggressive E-blend fueling, the DS25 is the right call from the start — the Lift Kit eventually becomes the limiting factor at sustained high-flow operation.\u003c\/p\u003e\n\n\u003ch3\u003ePair with the calibration\u003c\/h3\u003e\n\u003cp\u003eThe Esse Werks N55 Stage 2 \/ Stage 3 calibrations are built around the higher fuel flow capacity these pumps deliver. Without the HPFP upgrade, our calibrations will pull fuel-pressure trim aggressively at boost to stay within OEM pump capacity — meaning you don't realize the full output the calibration is designed for. The pump upgrade is what gets you there.\u003c\/p\u003e\n\n\u003ch3\u003eInstall\u003c\/h3\u003e\n\u003cp\u003e~2 hours at a competent shop. The HPFP sits on top of the N55 valve cover, accessible without removing the intake manifold. Lift Kit install requires disassembly of the OEM pump cartridge; DS25 install is a bolt-in replacement.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003e2012-2018 BMW N55 applications. F-chassis 1\/2\/3\/4 Series with N55 engine. F87 M2 (2016-2018 pre-Competition only — the M2 Competition uses the S55 engine, different HPFP). Confirm engine code at intake.\u003c\/p\u003e\n\u003cp\u003eIf you're sourcing fueling alongside the calibration, the \u003ca href=\"\/products\/fueling-kit-n55\"\u003eFueling Kit — N55\u003c\/a\u003e bundles the matched pump + tune for 8% under à la carte.\u003c\/p\u003e","brand":"Dorch Engineering","offers":[{"title":"Lift Kit (Stage 1 — ~+38% Flow, OEM Housing)","offer_id":43280686874685,"sku":"EW-FUEL-DORCH-N55-LIFT","price":1275.0,"currency_code":"USD","in_stock":true},{"title":"DS25 Stage 2 (Full Pump Upgrade, ~+25% Displacement)","offer_id":43280686907453,"sku":"EW-FUEL-DORCH-N55-DS25","price":2595.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/dorch_N55_DS3.webp?v=1781742887"},{"product_id":"dorch-b48-b58-hpfp-upgrade","title":"Dorch Engineering B48 \/ B58 HPFP Upgrade","description":"\u003cp\u003e\u003cstrong\u003eDorch Engineering HPFP upgrades for the B48 and B58 platforms.\u003c\/strong\u003e Same part fits both engines — Dorch's HPFP cartridge is what any B48 or B58 build needs once it pushes Stage 2 calibration or above. The factory pump is sized for OEM boost; at Stage 2+ it can't sustain fuel rail pressure, which throws fuel pressure deviation codes and forces the calibration to pull timing.\u003c\/p\u003e\n\n\u003ch3\u003eThree stages\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGen1 DS15 Stage 1\u003c\/strong\u003e — Dorch's entry-level cartridge, more flow over OEM. Bolt-in replacement. The right pump for Stage 2 calibrations on stock turbo (B48) or Stage 1-2 on B58. Fits Gen1 B48\/B58 platforms (2014-2018 production roughly).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGen1 DS25 Stage 2.5\u003c\/strong\u003e — Dorch's higher-displacement cartridge for the same Gen1 pump body. The build path for Stage 3 B48 + Phantom I4 S2 hardware, or Stage 2.5 B58 builds running aggressive 93 octane or E-blend.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGen2 DS25 Stage 2.5\u003c\/strong\u003e — Same DS25 cartridge engineered for the Gen2 B58 pump body (2019+ production with the updated HPFP architecture). Confirm your specific year and chassis at intake — Gen1 vs Gen2 fitment is non-interchangeable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConfirm Gen1 vs Gen2 at intake\u003c\/h3\u003e\n\u003cp\u003eThe B58 platform received an updated HPFP design in late 2018 \/ early 2019 (varies by chassis and market). The Gen2 pump body is dimensionally different from the Gen1 — Dorch's cartridges are engineered specifically per generation. We confirm your pump generation at order intake based on VIN and production date before shipping.\u003c\/p\u003e\n\n\u003ch3\u003eFor the B48 specifically\u003c\/h3\u003e\n\u003cp\u003eThe B48 shares the HPFP body and cartridge design with the B58. Dorch markets these primarily for B58 applications, but they fit and function identically on B48 engines. Esse Werks confirms this fitment in our calibration database — we install these on B48 builds regularly.\u003c\/p\u003e\n\n\u003ch3\u003eInstall\u003c\/h3\u003e\n\u003cp\u003e~2-3 hours at a competent shop. HPFP accessible on top of the engine without intake manifold removal on most chassis. Bolt-in replacement. Re-prime fuel system after install before flashing the matched Stage 2+ calibration.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eAll B48 and B58 applications across BMW F-series, G-series, and MINI F-series. Confirm chassis + production year at intake to select correct Gen1 vs Gen2 variant.\u003c\/p\u003e","brand":"Dorch Engineering","offers":[{"title":"Gen1 DS15 Stage 1 (~+15% Flow) \/ 1-4 Series Fitment","offer_id":43280686940221,"sku":"EW-FUEL-DORCH-B58-DS15","price":1955.0,"currency_code":"USD","in_stock":true},{"title":"Gen1 DS15 Stage 1 (~+15% Flow) \/ 5-7 Series Fitment","offer_id":43280686972989,"sku":null,"price":1955.0,"currency_code":"USD","in_stock":true},{"title":"Gen1 DS15 Stage 1 (~+15% Flow) \/ X3\/X4 Fitment","offer_id":43280687005757,"sku":null,"price":1955.0,"currency_code":"USD","in_stock":true},{"title":"Gen1 DS25 Stage 2.5 (~+25% Flow, Gen1 Pumps) \/ 1-4 Series Fitment","offer_id":43280687038525,"sku":"EW-FUEL-DORCH-B58-DS25-G1","price":2485.0,"currency_code":"USD","in_stock":true},{"title":"Gen1 DS25 Stage 2.5 (~+25% Flow, Gen1 Pumps) \/ 5-7 Series Fitment","offer_id":43280687071293,"sku":null,"price":1955.0,"currency_code":"USD","in_stock":true},{"title":"Gen1 DS25 Stage 2.5 (~+25% Flow, Gen1 Pumps) \/ X3\/X4 Fitment","offer_id":43280687104061,"sku":null,"price":1955.0,"currency_code":"USD","in_stock":true},{"title":"Gen2 DS25 Stage 2.5 (~+25% Flow, Gen2 Pumps 2019+) \/ 1-4 Series Fitment","offer_id":43280687136829,"sku":"EW-FUEL-DORCH-B58-DS25-G2","price":2545.0,"currency_code":"USD","in_stock":true},{"title":"Gen2 DS25 Stage 2.5 (~+25% Flow, Gen2 Pumps 2019+) \/ 5-7 Series Fitment","offer_id":43280687169597,"sku":null,"price":1955.0,"currency_code":"USD","in_stock":true},{"title":"Gen2 DS25 Stage 2.5 (~+25% Flow, Gen2 Pumps 2019+) \/ X3\/X4 Fitment","offer_id":43280687202365,"sku":null,"price":1955.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Dorch-B58-Gen2-Full-Kit.webp?v=1781742886"},{"product_id":"dorch-s55-hpfp-lift-kit","title":"Dorch Engineering S55 HPFP Lift Kit","description":"\u003cp\u003e\u003cstrong\u003eDorch Engineering Lift Kit for the S55 HPFP.\u003c\/strong\u003e The S55 has TWO high-pressure fuel pumps (one per turbo bank). This kit pushes more fuel flow out of the OEM HPFP architecture by installing a proprietary Dorch-designed cartridge inside each pump body. Preserves OEM packaging, OEM fuel lines, and OEM electrical — the upgrade lives entirely inside the cartridges.\u003c\/p\u003e\n\n\u003ch3\u003eWhy the S55 needs this\u003c\/h3\u003e\n\u003cp\u003eStage 2 S55 and especially Stage 3 (on E85) calibrations exceed what the OEM HPFP pair can sustain at sustained boost. The symptom is fuel pressure deviation under load, which the calibration handles by pulling timing — meaning you don't get the output the tune is designed for. The Lift Kit is the cleanest way there without going to a full pump replacement.\u003c\/p\u003e\n\n\u003ch3\u003eCore deposit required\u003c\/h3\u003e\n\u003cp\u003eThis is a core-exchange product. Your existing OEM HPFP cartridges ship to Dorch within 30 days of receiving the upgrade; you receive the core deposit refund once Dorch confirms intact returns. If you don't return the cores within 30 days, the core deposit is forfeited. We handle the core return paperwork on your behalf at order intake.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo Dorch-designed HPFP cartridges (one per turbo bank)\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware\u003c\/li\u003e\n  \u003cli\u003eDetailed install documentation (Dorch's PDF — we'll email it at order)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstall\u003c\/h3\u003e\n\u003cp\u003e~3-4 hours at a competent shop. F8X M-car HPFP access requires partial intake manifold removal — more involved than the inline-six platforms. Re-prime fuel system after install before flashing the matched Stage 2+ calibration.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003e2014-2020 BMW F80 M3, F82 M4, F83 M4 Convertible. 2018-2021 F87 M2 Competition (S55 engine, post-2018). For the pre-Competition F87 M2 (2016-2018, N55 engine), see the Dorch N55 HPFP Upgrade.\u003c\/p\u003e\n\u003cp\u003eIf you're sourcing fueling alongside the calibration, the \u003ca href=\"\/products\/fueling-kit-s55\"\u003eFueling Kit — S55\u003c\/a\u003e bundles the matched pump + tune for 8% under à la carte.\u003c\/p\u003e","brand":"Dorch Engineering","offers":[{"title":"Default Title","offer_id":43280695394365,"sku":"EW-FUEL-DORCH-S55-LIFT","price":1615.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/dorch_S55LK.webp?v=1781742887"},{"product_id":"spool-fx170-hpfp-b48","title":"Spool Performance FX-170 High-Pressure Fuel Pump — B48 \/ B46","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance FX-170 high-pressure fuel pump for the B48\/B46 — the entry direct-injection pump upgrade for the four-cylinder.\u003c\/strong\u003e The factory DI pump caps fueling once you raise boost or run ethanol; the FX-170 lifts that ceiling with about 50% more flow than stock (roughly 1.34 cc\/rev versus the factory 0.89) and a higher working pressure.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA plug-and-play replacement for the OEM high-pressure (direct-injection) pump, E85-compatible. It's the step below Spool's FX-200 — the right pump for a strong Stage 2\/3 B48 on pump gas or ethanol without going to the larger pump. Spool has since discontinued the FX-170; we still source them.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure (DI) side; pair it with an upgraded low-pressure in-tank pump on a Stage 3 build. A matching calibration is loaded before first start.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW \u0026amp; MINI B48\/B46 — 230i (F22\/F23), 330i (F30\/F31), 430i (F32\/F33\/F36), and B46\/B48 MINI Cooper S \/ JCW. Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":43280695427133,"sku":"SP-FX-200-B48-NENF","price":2205.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool_fx_170_01.webp?v=1781743118"},{"product_id":"dorch-s58-flex-fuel-eca-kit","title":"Dorch Engineering S58 Flex Fuel ECA Kit","description":"\u003cp\u003e\u003cstrong\u003eDorch Engineering plug-and-play Flex Fuel ECA (Ethanol Content Adapter) kit for the S58.\u003c\/strong\u003e Reads ethanol content from a CAN-based Continental flex-fuel sensor and broadcasts the value directly to the DME — full flex fuel operation with no piggyback ECU, no datalog-and-flash dance, no fueling assumptions baked into the calibration.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this enables\u003c\/h3\u003e\n\u003cp\u003eThe S58 supports E85, E70, E30, and any pump-blend in between at the calibration level — but only if the DME knows the actual ethanol content of what's in the tank. Without a flex-fuel sensor, the calibration has to assume a fuel grade (typically 93 octane) and trim conservatively at sustained boost. With the Dorch ECA Kit installed and a Continental flex-fuel sensor in the fuel line, the DME reads ethanol percentage in real time and the Esse Werks Stage 2 \/ Stage 3 calibrations target full power on whatever blend you're running.\u003c\/p\u003e\n\n\u003ch3\u003eReal-world output difference\u003c\/h3\u003e\n\u003cp\u003eOwners running higher-ethanol blends report meaningfully more power than the same Stage 3 calibration on 93 octane — the flex-fuel infrastructure is what opens the upper end of the S58's tune-able envelope, because the DME is targeting real ethanol content instead of trimming around an assumed fuel grade.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDorch ECA controller (CAN-based, plug-and-play to the OEM DME wiring)\u003c\/li\u003e\n  \u003cli\u003eMounting hardware\u003c\/li\u003e\n  \u003cli\u003eInstallation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you ALSO need (sold separately)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eContinental flex-fuel sensor — plumbed into the fuel feed line\u003c\/li\u003e\n  \u003cli\u003eStainless fuel line fittings to match your existing fuel system\u003c\/li\u003e\n  \u003cli\u003eA calibration that supports flex fuel (Esse Werks Stage 2 or 3 S58 with flex fuel option selected at intake)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstall\u003c\/h3\u003e\n\u003cp\u003eA workshop job at a competent shop — see the spec row for the estimated install time. The ECA controller mounts in the engine bay or under-trim area. Flex-fuel sensor installation requires a fuel line tap (best done at the fuel filter or rail inlet). Calibration re-flash after install to enable flex fuel maps.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003e2021-2026 BMW G80 M3, G82 M4, G83 M4 Convertible. 2023+ G87 M2. 2020+ F97 X3 M, F98 X4 M. Confirm chassis at intake.\u003c\/p\u003e\n\u003cp\u003eIf you're sourcing fueling alongside the calibration, the \u003ca href=\"\/products\/fueling-kit-s58\"\u003eFueling Kit — S58\u003c\/a\u003e bundles the matched parts + tune for 8% under à la carte.\u003c\/p\u003e","brand":"Dorch Engineering","offers":[{"title":"Default Title","offer_id":43280695459901,"sku":"EW-FUEL-DORCH-S58-FLEX","price":1045.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/dorch_S58-ECA.webp?v=1781742887"},{"product_id":"spool-fx400x-hpfp-b58-gen2","title":"Spool Performance FX-400X High-Pressure Fuel Pump (Stage 4) — B58 Gen2 (G-Chassis)","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance FX-400X — the flagship \"Stage 4\" high-pressure fuel pump for the Gen2 B58.\u003c\/strong\u003e It runs the same 350 bar (5,000 psi) as the FX-350 but moves about 20% more fuel across the whole delivery range, for builds that have outgrown the FX-350.\u003c\/p\u003e\n\u003ch3\u003eWhat it supports\u003c\/h3\u003e\n\u003cp\u003eWith Spool's Gen2 DI injectors, roughly 1,100 whp on gas, 900 on E50, 800 on E85; add the high-lift exhaust-cam fuel-lobe mod and about 1,200\/1,050\/900. Single pump, plug-and-play, lifetime warranty.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure (DI) side; requires an upgraded low-pressure in-tank pump and a matching calibration. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eSpool offers a wireless ethanol-content analyzer and a 10-micron inline filter as add-ons — tell us if you want either specced in.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eGen2 B58 (G-chassis) — M340i (G20\/G21), M440i (G22\/G23\/G26), M240i (G42), Z4 M40i (G29), and the rest of the Gen2 B58 range. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-b58\"\u003eFueling Kit — B58\u003c\/a\u003e bundles the matched pump + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"None \/ None","offer_id":43280695492669,"sku":"SP-FX400X-NENF-6D","price":3035.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ None","offer_id":43280695525437,"sku":"SP-FX400X-NENF-6D-UE","price":3035.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ None","offer_id":43280695558205,"sku":"SP-FX400X-NENF-6D-EA","price":3384.0,"currency_code":"USD","in_stock":true},{"title":"None \/ With 10-Micron Filter","offer_id":43280695590973,"sku":"SP-FX400X-NENF-6D-F","price":3184.0,"currency_code":"USD","in_stock":true},{"title":"Use my existing \/ With 10-Micron Filter","offer_id":43280695623741,"sku":"SP-FX400X-NENF-6D-UE-F","price":3184.0,"currency_code":"USD","in_stock":true},{"title":"Include \/ With 10-Micron Filter","offer_id":43280695656509,"sku":"SP-FX400X-NENF-6D-EA-F","price":3533.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool_fx-400x_b58_g2_ew.webp?v=1781742886"},{"product_id":"spool-stage3-lpfp-s58","title":"Spool Performance Stage 3 Low-Pressure Fuel Pump — S58","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance Stage 3 low-pressure fuel pump for the S58 — the in-tank side that keeps a Stage 3 build fed.\u003c\/strong\u003e A big high-pressure pump is only as good as what feeds it; the factory in-tank (low-pressure) pump runs out of duty on E85 and high boost, and rail pressure drops up top. Spool's Stage 3 adds a boost-activated secondary in-tank pump, roughly doubling low-pressure flow.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA twin-pump in-tank upgrade: the factory pump plus a second pump that switches on under boost (boost\/Hobbs-switch activated), so cruise stays factory-quiet and the system only ramps when you're on it. Spool rates it to support 1,200+ whp. Supplied as a complete drop-in assembly; DIY and built-bucket formats are also available — ask if you'd prefer one.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; it pairs with an upgraded high-pressure (DI) pump so the HPFP is never starved. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS58 — G80\/G81 M3, G82\/G83 M4, G87 M2, F97 X3 M, F98 X4 M. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s58\"\u003eFueling Kit — S58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Assembled","offer_id":43280695722045,"sku":"SP-S58-DIYLPFP","price":935.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Spool_stage3_lpfp_jpg.png?v=1781742666"},{"product_id":"spool-stage3-lpfp-s63","title":"Spool Performance Stage 3 Low-Pressure Fuel Pump — S63 \/ S63TU","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance Stage 3 low-pressure fuel pump for the S63 and S63TU — the in-tank side that keeps a Stage 3 V8 build fed.\u003c\/strong\u003e The factory in-tank (low-pressure) pumps run out of duty on E85 and high boost, and rail pressure drops up top. Spool's Stage 3 adds a boost-activated secondary pump, roughly doubling low-pressure flow.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA twin-pump in-tank upgrade that switches on the second pump under boost (boost\/Hobbs-switch activated) — cruise stays factory-quiet, the system only ramps when you're on it. Spool rates it to support 1,200+ whp. Pick your chassis above: the earlier S63TU M5\/M6 (F10\/F12\/F13) and the Gen2 S63 M5\/M8 (F90\/F9x) use different assemblies and price accordingly.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; pairs with an upgraded high-pressure (DI) pump so the HPFP is never starved. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS63 \/ S63TU — F10 M5, F06\/F12\/F13 M6 (S63TU); F90 M5, F91\/F92\/F93 M8 (Gen2 S63). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s63\"\u003eFueling Kit — S63\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"F10 \/ F12 \/ F13","offer_id":43280695754813,"sku":"SP-LS3-S63","price":815.0,"currency_code":"USD","in_stock":true},{"title":"F90 \/ F91 \/ F92 \/ F93","offer_id":43280695787581,"sku":"SP-LS3-S63-G2","price":1715.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Spool_stage3_lpfp_jpg.png?v=1781742666"},{"product_id":"spool-stage3-lpfp-s55","title":"Spool Performance Stage 3 Low-Pressure Fuel Pump — S55","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance Stage 3 low-pressure fuel pump for the S55 — F80 M3, F82\/F83 M4, F87 M2 Competition.\u003c\/strong\u003e A big high-pressure pump is only as good as what feeds it; the factory in-tank (low-pressure) pump runs out of duty on E85 and high boost, and rail pressure drops up top. Spool's Stage 3 adds a boost-activated secondary in-tank pump, roughly doubling low-pressure flow.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA twin-pump in-tank upgrade: the factory pump plus a second pump that switches on under boost (boost\/Hobbs-switch activated), so cruise stays factory-quiet and the system only ramps when you're on it. Spool rates it to support 1,200+ whp, and it's a complete drop-in replacement — no assembly or core return.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; it pairs with an upgraded high-pressure (DI) pump so the HPFP is never starved. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS55 — F80 M3, F82 M4, F83 M4 Convertible, F87 M2 Competition. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s55\"\u003eFueling Kit — S55\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Assembled","offer_id":43280699260989,"sku":"SP-BMF8x-FP","price":1295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool-stage3-lpfp-s55.jpg?v=1781742593"},{"product_id":"spool-stage3-lpfp-b58","title":"Spool Performance Stage 3 Low-Pressure Fuel Pump — B58","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance Stage 3 low-pressure fuel pump for the B58 — the in-tank side that keeps a Stage 3 build fed.\u003c\/strong\u003e A big high-pressure pump is only as good as what feeds it; the factory in-tank (low-pressure) pump runs out of duty on E85 and high boost, and rail pressure drops up top. Spool's Stage 3 adds a boost-activated secondary in-tank pump, roughly doubling low-pressure flow.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA twin-pump in-tank upgrade: the factory pump plus a second pump that switches on under boost (boost\/Hobbs-switch activated), so cruise stays factory-quiet and the system only ramps when you're on it. Spool rates it to support 1,000+ whp. Built around your bucket — send-your-core, bucket trade-in, and new-build options are available; ask which suits you.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; it pairs with an upgraded high-pressure (DI) pump so the HPFP is never starved. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eB58 — M240i (F22), 340i (F30), 440i (F32), M340i (G20), M440i (G22), Z4 M40i (G29), M240i (G42). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-b58\"\u003eFueling Kit — B58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Send your core","offer_id":43280699392061,"sku":"SP-BMB58G-LPFP-DY","price":1055.0,"currency_code":"USD","in_stock":true},{"title":"Bucket trade-in","offer_id":43280699424829,"sku":"SP-BMB58G-LPFP-DY-BT","price":1254.0,"currency_code":"USD","in_stock":true},{"title":"New bucket build","offer_id":43280699457597,"sku":"SP-BMB58G-LPFP-DY-NB","price":1354.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Spool__copy-of-g20-g22-g30-g32-g11-g12-b58-stage-3-low-pressure-fuel-pump-diy-kit__1.png?v=1781742211"},{"product_id":"spool-stage3-lpfp-b48","title":"Spool Performance Stage 3 Low-Pressure Fuel Pump — B48 \/ B46","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance Stage 3 low-pressure fuel pump for the B48\/B46 — the in-tank side that keeps a Stage 3 four-cylinder build fed.\u003c\/strong\u003e A bigger high-pressure pump is only as good as what feeds it; the factory in-tank (low-pressure) pump runs out of duty on E85 and high boost, and rail pressure drops up top. Spool's Stage 3 adds a boost-activated secondary in-tank pump, roughly doubling low-pressure flow.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA twin-pump in-tank upgrade: the factory pump plus a second pump that switches on under boost (boost\/Hobbs-switch activated), so cruise stays factory-quiet and the system only ramps when you're on it. Spool rates it to support 1,000+ whp. Built around your bucket — send-your-core, bucket trade-in, and new-build options are available; ask which suits you.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; it pairs with an upgraded high-pressure (DI) pump so the HPFP is never starved. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW \u0026amp; MINI B48\/B46 — 230i (F22), 330i (F30), 430i (F32\/F33\/F36), and B46\/B48 MINI Cooper S \/ JCW. Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Send your core","offer_id":43280699490365,"sku":"SP-B58-LPDI-3","price":1055.0,"currency_code":"USD","in_stock":true},{"title":"Bucket trade-in","offer_id":43280699523133,"sku":"SP-B58-LPDI-3-BT","price":1254.0,"currency_code":"USD","in_stock":true},{"title":"New bucket build","offer_id":43280699555901,"sku":"SP-B58-LPDI-3-NB","price":1354.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Spool__bmw-b48-upgraded-stage-3-low-pressure-fuel-pump__1.jpg?v=1781742211"},{"product_id":"spool-stage3-lpfp-n20","title":"Spool Performance Stage 3 Low-Pressure Fuel Pump — N20 \/ N26","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance Stage 3 low-pressure fuel pump for the N20\/N26 — the in-tank side that keeps a Stage 3 build fed.\u003c\/strong\u003e A bigger high-pressure pump is only as good as what feeds it; the factory in-tank (low-pressure) pump runs out of duty on E85 and high boost, and rail pressure drops up top. Spool's Stage 3 adds a boost-activated secondary in-tank pump, roughly doubling low-pressure flow.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA twin-pump in-tank upgrade: the factory pump plus a second pump that switches on under boost — it ships with Spool's Hobbs (boost) switch for activation, so cruise stays factory-quiet and the system only ramps when you're on it. Spool rates it to support 1,200+ whp, and it's a complete drop-in replacement.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; it pairs with an upgraded high-pressure (DI) pump so the HPFP is never starved. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW N20\/N26 (F-chassis) — 228i (F22\/F23), 320i\/328i (F30\/F31), 428i (F32\/F33\/F36), 528i (F10). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-n20\"\u003eFueling Kit — N20\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Spool Hobbs Switch","offer_id":43280699588669,"sku":"SP-BMFXXN20-FP","price":935.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Spool__f-chassis-n20-n26-stage-3-low-pressure-fuel-pump__1.jpg?v=1781742211"},{"product_id":"spool-stage3-lpfp-n55","title":"Spool Performance Stage 3 Low-Pressure Fuel Pump — N55 (F-Chassis)","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance Stage 3 low-pressure fuel pump for the F-chassis N55 — the in-tank side that keeps a Stage 3 build fed.\u003c\/strong\u003e A bigger high-pressure pump is only as good as what feeds it; the factory in-tank (low-pressure) pump runs out of duty on E85 and high boost, and rail pressure drops up top. Spool's Stage 3 adds a boost-activated secondary in-tank pump, roughly doubling low-pressure flow.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA twin-pump in-tank upgrade: the factory pump plus a second pump that switches on under boost — it ships with Spool's Hobbs (boost) switch for activation, so cruise stays factory-quiet and the system only ramps when you're on it. Spool rates it to support 1,200+ whp, and it's a complete drop-in replacement.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; it pairs with an upgraded high-pressure (DI) pump so the HPFP is never starved. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW N55 (F-chassis) — F20\/F21 M135i, F22\/F23 M235i, F30 335i, F32\/F33\/F36 435i, F87 M2. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-n55\"\u003eFueling Kit — N55\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Spool Hobbs Switch","offer_id":43280702341181,"sku":"SP-BMFXXN-FP","price":935.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Spool__fxx-n55-stage-3-low-pressure-fuel-pump__1.jpg?v=1781742211"},{"product_id":"spool-stage3-lpfp-n63","title":"Spool Performance Stage 3 Low-Pressure Fuel Pump — N63TU (550i \/ 650i)","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance Stage 3 low-pressure fuel pump for the N63TU — the in-tank side that keeps a Stage 3 V8 build fed.\u003c\/strong\u003e The factory in-tank (low-pressure) pumps run out of duty on E85 and high boost, and rail pressure drops up top. Spool's Stage 3 adds a boost-activated secondary in-tank pump, roughly doubling low-pressure flow so a Stage 3 calibration isn't trimming power to stay safe.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA twin-pump in-tank upgrade (sold as a DIY kit): the factory pump plus a second pump that switches on under boost — it ships with Spool's Hobbs (boost) switch for activation, so cruise stays factory-quiet and the system only ramps when you're on it. Spool rates it to support 1,200+ whp.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; it pairs with an upgraded high-pressure (DI) pump so the HPFP is never starved. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW N63TU — 550i (F10), 650i (F06\/F12\/F13). Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Spool Hobbs Switch","offer_id":43280702373949,"sku":"SP-LS3-N63","price":815.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/Spool_stage3_lpfp_jpg.png?v=1781742666"},{"product_id":"fuelit-stage2-lpfp-n55-n20-fchassis","title":"Fuel-It! Stage 2 LPFP — N55 \/ N20 (F-Chassis)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! Stage 2 low-pressure fuel pump for the F-chassis N55\/N20 — a drop-in in-tank upgrade that feeds a Stage 2\/3 build.\u003c\/strong\u003e The factory in-tank pump runs out of duty on E85 and higher boost, starving the high-pressure pump up top. This replaces the stock pump with an E85-rated Walbro.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA complete drop-in assembly with a Walbro 450 (about 50% more flow than stock); a Walbro 525 (~65%) is available. Single pump. Because it draws more current than stock, a tired EKP (the factory pump controller) can run warm on a hard-driven car — for sustained high-power\/E85 use, step up to the dual-pump Stage 3.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; it keeps an upgraded high-pressure pump fed. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eF-chassis N55\/N20 — F20\/F21, F22\/F23, F87 M2, F30\/F31, F32\/F33. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-n55\"\u003eFueling Kit — N55\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"Walbro 450","offer_id":43280715087933,"sku":"FI-LPFP-S2-F","price":815.0,"currency_code":"USD","in_stock":true},{"title":"Walbro 525","offer_id":43280715120701,"sku":"FI-LPFP-S2-F-525","price":890.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/FuelIt__fuel-it-bmw-f2x-f3x-f87-n55-m2-walbro-stage-2-lpfp-upgrade__1_abd2d81e-948a-4683-bbbf-ac7e79094bdd.jpg?v=1781742108"},{"product_id":"radium-pi-kit-b58tu-supra","title":"Radium Port Injection Kit — B58TU (Z4 G29)","description":"\u003cp\u003e\u003cstrong\u003eRadium Engineering port injection kit for the B58TU — Z4 G29.\u003c\/strong\u003e A supplemental port-injection fuel rail that adds injectors at the intake ports to back up the factory direct injection on big-power E85\/blend builds. It supplements — does not replace — the OEM DI.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eAn anodized billet adapter plate that mounts between the intake manifold and the head, a CNC-machined billet fuel rail (8AN ORB ports), B58TU intake-port gaskets, and stainless hardware. \u003cstrong\u003eInjectors are not included\u003c\/strong\u003e — the rail accepts top-feed injectors with 14mm O-rings and a short 34mm body (e.g. Injector Dynamics ID1050-XDS \/ ID1300-XDS \/ ID1700-XDS). Compatible with all fuels including E85.\u003c\/p\u003e\n\u003ch3\u003eInstall note\u003c\/h3\u003e\n\u003cp\u003eBecause the kit spaces the intake manifold off the head, an aftermarket charge pipe is required for the throttle-body connection, and a low-pressure supply (e.g. a second in-tank pump via a Radium fuel-pump hanger) feeds the port injectors.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits\u003c\/h3\u003e\n\u003cp\u003eSupplemental fueling for high-power B58 builds where direct injection runs out. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003e2nd-generation B58TU — BMW Z4 G29 (and the shared-engine Toyota GR Supra). Not compatible with 1st-gen B58 (B58B30A). Confirm your engine generation at intake.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-b58\"\u003eFueling Kit — B58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Radium Engineering","offers":[{"title":"PIK base","offer_id":43280715972669,"sku":"20-0753","price":885.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/radium-pi-kit-b58tu.webp?v=1781742887"},{"product_id":"fuelit-stage3-lpfp-n55-n20-fchassis","title":"Fuel-It! Stage 3 Dual LPFP — N55 \/ N20 (F-Chassis)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! Stage 3 dual low-pressure fuel pump for the F-chassis N55\/N20 — the high-power, E85 answer on the in-tank side.\u003c\/strong\u003e Instead of replacing the stock pump, it keeps the factory primary (so the EKP behaves normally) and adds a second Walbro that runs only under boost.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA dual-pump kit: the stock LPFP plus a secondary Walbro 450 (525 optional) on a secondary harness, triggered under boost by a Hobbs switch — so cruise stays factory and the system only ramps when you're on it. This sidesteps the current-draw limit of a single big pump.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eTwo choices in the configurator. \u003cstrong\u003eSecondary Pump:\u003c\/strong\u003e the Walbro 450 covers most Stage 3 E85 builds; step up to the higher-flow Walbro 525 for bigger power targets. \u003cstrong\u003eTrigger:\u003c\/strong\u003e a Hobbs switch is a boost-pressure switch that brings the secondary pump online at its rated boost — the 4 PSI switch brings it in early, low in the boost curve, while the 15 PSI switch brings it in higher up. Choose \"No Hobbs switch\" if your build switches the secondary pump another way.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; feeds an upgraded high-pressure pump on a Stage 3 build. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eF-chassis N55\/N20 — F20\/F21, F22\/F23, F87 M2, F30\/F31, F32\/F33. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-n55\"\u003eFueling Kit — N55\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"Walbro 450 \/ No Hobbs switch","offer_id":43280732258365,"sku":"FI-LPFP-S3-F","price":1085.0,"currency_code":"USD","in_stock":true},{"title":"Walbro 450 \/ 4 PSI Hobbs switch","offer_id":43280732291133,"sku":"FI-LPFP-S3-F-H4","price":1120.0,"currency_code":"USD","in_stock":true},{"title":"Walbro 450 \/ 15 PSI Hobbs switch","offer_id":43280732323901,"sku":"FI-LPFP-S3-F-H15","price":1120.0,"currency_code":"USD","in_stock":true},{"title":"Walbro 525 \/ No Hobbs switch","offer_id":43280732356669,"sku":"FI-LPFP-S3-F-525","price":1160.0,"currency_code":"USD","in_stock":true},{"title":"Walbro 525 \/ 4 PSI Hobbs switch","offer_id":43280732389437,"sku":"FI-LPFP-S3-F-525-H4","price":1195.0,"currency_code":"USD","in_stock":true},{"title":"Walbro 525 \/ 15 PSI Hobbs switch","offer_id":43280732422205,"sku":"FI-LPFP-S3-F-525-H15","price":1195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/FuelIt__fuel-it-bmw-f-chassis-n55-n20-stage-3-lpfp-upgrade__1_42aa864e-a98c-4c58-af87-b5a8cd549883.jpg?v=1781742108"},{"product_id":"fuelit-stage2-lpfp-f1x-f30hybrid","title":"Fuel-It! Stage 2 LPFP — N55 (F1x 5\/6-Series \u0026 F30 Hybrid)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! Stage 2 low-pressure fuel pump for the larger F-chassis N55 — the 5 and 6 Series and the F30 ActiveHybrid 3.\u003c\/strong\u003e The factory in-tank pump runs short on E85 and boost; this drops in an E85-rated Walbro in its place.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA drop-in assembly with a Walbro 450 (~50% over stock); a Walbro 525 (~65%) is optional. Single pump. For sustained high-power\/E85 use where pump current draw matters, consider a dual-pump setup.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; keeps an upgraded high-pressure pump fed. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eN55 — F10\/F11 535i, F06\/F12\/F13 640i, and F30 ActiveHybrid 3. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-n55\"\u003eFueling Kit — N55\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"Walbro 450","offer_id":43280732454973,"sku":"FI-LPFP-S2-F1X","price":825.0,"currency_code":"USD","in_stock":true},{"title":"Walbro 525","offer_id":43280732487741,"sku":"FI-LPFP-S2-F1X-525","price":900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/FuelIt__fuel-it-bmw-f2x-f3x-f87-n55-m2-walbro-stage-2-lpfp-upgrade__1_803d57a2-fb27-4ae9-9f54-904247445eac.jpg?v=1781742108"},{"product_id":"fuelit-stage3-lpfp-b58-fchassis","title":"Fuel-It! Stage 3 Dual LPFP — B58 \/ B48 (F-Chassis)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! Stage 3 dual low-pressure fuel pump for the F-chassis B58\/B48 — the high-power, E85 answer on the in-tank side.\u003c\/strong\u003e It keeps the factory primary pump (EKP behaves normally) and adds a boost-triggered secondary Walbro.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA dual-pump kit: the stock LPFP plus a secondary Walbro 450 (525 optional) on a secondary harness, triggered under boost by a Hobbs switch. Fuel-It's guidance: up to about 700 whp on the 450; step to the 525 beyond that.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; feeds an upgraded high-pressure pump. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eGen1 B58 \/ B48 (F-chassis) — F22\/F23, F30\/F31, F32\/F33. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-b58\"\u003eFueling Kit — B58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"Walbro 450","offer_id":43280732520509,"sku":"FI-LPFP-S3-B58F","price":1105.0,"currency_code":"USD","in_stock":true},{"title":"Walbro 525","offer_id":43280732553277,"sku":"FI-LPFP-S3-B58F-525","price":1180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/FuelIt__fuel-it-bmw-f-chassis-b58-walbro-stage-3-lpfp-upgrade__1.jpg?v=1781742108"},{"product_id":"fuelit-stage2-lpfp-b58-gchassis-brushless","title":"Fuel-It! Stage 2 Brushless LPFP — B58 \/ B48 (G-Chassis, Gen2)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! Stage 2 brushless low-pressure fuel pump for the Gen2 (G-chassis) B58\/B48.\u003c\/strong\u003e A drop-in assembly built around Fuel-It's proprietary brushless pump — the clean way to add fueling on the newer cars.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA complete replacement assembly with a brushless pump that supports up to about 700 whp on E85 — and, unlike a big brushed pump, it needs no special tuning, EKP changes, or wiring upgrades. Drop-in.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eLow-pressure (in-tank) side; pairs with an upgraded high-pressure pump and\/or port injection on a big-power build. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eGen2 B58\/B48 (G-chassis) — 330i, M240i, M340i, M440i, Z4 M40i, X3\/X4 M40i, X5\/X6\/X7 40i (G20\/G21\/G22\/G23\/G26\/G42\/G29\/G05\/G06\/G07). Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-b58\"\u003eFueling Kit — B58\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"Default Title","offer_id":43280734584893,"sku":"FI-LPFP-S2-B58G","price":755.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/FuelIt__fuel-it-bmw-b58-gen-2-stage-2-lpfp-upgrade__1.jpg?v=1781742108"},{"product_id":"fuelit-pi-kit-n55","title":"Fuel-It! Port Injection Kit — N55 (F-Chassis)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! port injection kit for the F-chassis N55 — a supplemental fuel system for when direct injection runs out.\u003c\/strong\u003e It adds low-pressure port injection across all six intake runners to back up the maxed-out factory DI, opening the door to big E85\/methanol power (Fuel-It rates the system up to 1,000+ whp with the right injectors).\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eCNC-machined manifold spacers (or a full replacement manifold), a billet fuel rail, up to six flow-matched port injectors (sized to your choice, or bring your own), a fuel-line adapter, and a port-injection controller. It supplements — not replaces — the factory direct injection; the injector size you run sets the power ceiling, and the controller meters the port fuel.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eTwo choices in the configurator. \u003cstrong\u003eInjector:\u003c\/strong\u003e take the kit with No injectors to reuse or supply your own, or pick 550, 750, 950, or 1050cc — step up the size as your target output climbs. \u003cstrong\u003eController:\u003c\/strong\u003e Standard, or the CANfuel Sequential — Fuel-It's CAN-bus sequential controller for finer per-cylinder metering.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eSupplemental fuel for high-E85 \/ high-power N55 builds where the DI pump is the limit. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW N55 (F-chassis) — M135i, M235i, M2, 335i, 435i. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-n55\"\u003eFueling Kit — N55\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"No injectors \/ Standard","offer_id":43280734650429,"sku":"FI-PI-N55","price":515.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ CANfuel Sequential","offer_id":43280734683197,"sku":"FI-PI-N55-SEQ","price":1014.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ Standard","offer_id":43280734715965,"sku":"FI-PI-N55-I550","price":804.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential","offer_id":43280734748733,"sku":"FI-PI-N55-I550-SEQ","price":1303.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard","offer_id":43280734781501,"sku":"FI-PI-N55-I750","price":904.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential","offer_id":43280734814269,"sku":"FI-PI-N55-I750-SEQ","price":1403.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard","offer_id":43280734847037,"sku":"FI-PI-N55-I950","price":1004.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential","offer_id":43280734879805,"sku":"FI-PI-N55-I950-SEQ","price":1503.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ Standard","offer_id":43280734912573,"sku":"FI-PI-N55-I1050","price":1414.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ CANfuel Sequential","offer_id":43280734945341,"sku":"FI-PI-N55-I1050-SEQ","price":1913.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/fuelit_n55_port_injection_kit.webp?v=1781742887"},{"product_id":"fuelit-pi-s55","title":"Fuel-It! Port Injection Kit (Elite) — S55 (F80 M3 \/ F82 M4 \/ F87 M2 Competition)","description":"\u003cp\u003e\u003cstrong\u003eFuel-It! Elite port injection kit for the S55 — F80 M3, F82\/F83 M4, F87 M2 Competition.\u003c\/strong\u003e A six-port supplemental low-pressure injection layout that backs up the S55's direct injection for big E85\/methanol power (Fuel-It rates it up to 1,000+ whp with the right injectors).\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eFuel-It's Elite build — anodized billet manifold spacers with a return port, an upgraded fuel line, a billet rail, six manifold ports that run flow-matched injectors when you add them, an adapter, and a port-injection controller. \"Elite\" is the M-grade tier (the extra machining is what lets it fit the S55). It supplements, not replaces, the factory DI; injector size sets the ceiling.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eTwo choices in the configurator. \u003cstrong\u003eInjector\u003c\/strong\u003e — choose \"No injectors\" to reuse your existing set or supply your own, or pick 550 \/ 750 \/ 950 \/ 1050cc; injector size sets the power ceiling, so size it to your fuel and target. \u003cstrong\u003eController\u003c\/strong\u003e — select Standard, or step up to the CANfuel Sequential, Fuel-It's CAN-bus sequential controller for finer fuel control. Make both selections above.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eSupplemental fuel for high-power S55 builds. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS55 — F80 M3, F82 M4, F83 M4 Convertible, F87 M2 Competition. Confirm your chassis in the selector.\u003c\/p\u003e\n\u003cp\u003eSourcing fueling with the tune? The \u003ca href=\"\/products\/fueling-kit-s55\"\u003eFueling Kit — S55\u003c\/a\u003e bundles the matched parts + calibration for 8% under à la carte.\u003c\/p\u003e","brand":"Fuel-It!","offers":[{"title":"No injectors \/ Standard","offer_id":43280735043645,"sku":"FI-PI-S55","price":1305.0,"currency_code":"USD","in_stock":true},{"title":"No injectors \/ CANfuel Sequential","offer_id":43280735076413,"sku":"FI-PI-S55-SEQ","price":1804.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ Standard","offer_id":43280735109181,"sku":"FI-PI-S55-I550","price":1594.0,"currency_code":"USD","in_stock":true},{"title":"550cc \/ CANfuel Sequential","offer_id":43280735141949,"sku":"FI-PI-S55-I550-SEQ","price":2093.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ Standard","offer_id":43280735174717,"sku":"FI-PI-S55-I750","price":1694.0,"currency_code":"USD","in_stock":true},{"title":"750cc \/ CANfuel Sequential","offer_id":43280735207485,"sku":"FI-PI-S55-I750-SEQ","price":2193.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ Standard","offer_id":43280735240253,"sku":"FI-PI-S55-I950","price":1794.0,"currency_code":"USD","in_stock":true},{"title":"950cc \/ CANfuel Sequential","offer_id":43280735273021,"sku":"FI-PI-S55-I950-SEQ","price":2293.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ Standard","offer_id":43280735305789,"sku":"FI-PI-S55-I1050","price":2204.0,"currency_code":"USD","in_stock":true},{"title":"1050cc \/ CANfuel Sequential","offer_id":43280735338557,"sku":"FI-PI-S55-I1050-SEQ","price":2703.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/fuelit_s55_port_injection_kit.webp?v=1781742887"},{"product_id":"spool-fx170-hpfp-s63","title":"Spool Performance FX-170 High-Pressure Fuel Pumps (Pair) — S63 \/ S63TU (F10 M5 \/ M6 \/ X5 M \/ X6 M)","description":"\u003cp\u003e\u003cstrong\u003eSpool Performance FX-170 high-pressure fuel pumps for the S63 \/ S63TU — supplied as a matched pair for the V8's dual-pump direct-injection system.\u003c\/strong\u003e The factory DI pumps cap fueling once you raise boost or run ethanol; the FX-170 lifts that ceiling with about 50% more flow than stock per pump.\u003c\/p\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eA two-pump set (one per OEM location) of Spool's FX-170 direct-injection pump — E85-compatible, plug-and-play, the entry tier in Spool's FX line. Spool has discontinued the FX-170; we source them. A matching calibration is loaded before first start.\u003c\/p\u003e\n\u003ch3\u003eWhich S63 this is for\u003c\/h3\u003e\n\u003cp\u003eThis covers the earlier S63 \/ S63TU M-cars — F10 M5, F06\/F12\/F13 M6, F85 X5 M, F86 X6 M. The later Gen2 S63 (F90 M5, F9x M8, F95 X5 M, F96 X6 M) uses the larger FX-350 pair instead.\u003c\/p\u003e\n\u003ch3\u003eWhere it fits in the build\u003c\/h3\u003e\n\u003cp\u003eHigh-pressure (DI) side; pair it with an upgraded low-pressure in-tank pump so the pumps stay fed. We tune the engine to the fuel system.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eS63 \/ S63TU — F10 M5, F06 M6 Gran Coupe, F12\/F13 M6, F85 X5 M, F86 X6 M. Confirm your chassis in the selector.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Matched Pair","offer_id":43280747266109,"sku":"SP-FX-S63-FX170","price":2286.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/spool_fx_170_02.webp?v=1781743119"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/collections\/snow_stg3_DI_EW_BLK01.png?v=1781758305","url":"https:\/\/essewerks.com\/collections\/fuel.oembed?page=2","provider":"Esse Werks","version":"1.0","type":"link"}