{"title":"Hardware","description":null,"products":[{"product_id":"esse-werks-differential-ring-gear-bolt-kit","title":"Esse Werks Differential Ring Gear Bolt Kit — BMW\/MINI F","description":"\u003cp\u003e\u003cstrong\u003eEsse Werks differential ring gear bolt kit, manufactured by ARP to ARP2000 spec, for the BMW\/MINI transverse-platform differential.\u003c\/strong\u003e Replaces the OEM torque-to-yield bolts BMW specifies for one-time use only — bolts that are not safe to reuse on reassembly.\u003c\/p\u003e\n\n\u003ch3\u003eWhy TTY bolts fail at diff rebuilds\u003c\/h3\u003e\n\u003cp\u003eThe OEM ring gear bolts are torque-to-yield by design. They're stretched past their elastic limit on initial torque-down, which creates even clamping force across the ring gear face but consumes the bolt's ability to stretch a second time. Reuse them on an LSD install or a service teardown and they either lose clamp force — gear face slips, hammer wear starts on the ring — or they break in the head during the second torque application. BMW's service manual is explicit: replace TTY bolts on every reassembly. ARP2000 is the more durable answer.\u003c\/p\u003e\n\n\u003ch3\u003eWhat ARP2000 brings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTensile strength ~220,000 psi\u003c\/strong\u003e — well above the OEM TTY bolt's working range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable\u003c\/strong\u003e — proper torque-to-spec with ARP's ULTRA-TORQUE lubricant; no stretch-to-yield needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolds clamp under thermal cycling\u003c\/strong\u003e — track-temperature differential rebuilds stay clamped where OEM bolts have been observed to back off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame thread pitch and head geometry\u003c\/strong\u003e as the OEM bolt — no tooling changes at install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10 × ARP2000 ring gear \/ diff cover bolts, M10×1.0 thread\u003c\/li\u003e\n\u003cli\u003eARP ULTRA-TORQUE assembly lubricant\u003c\/li\u003e\n\u003cli\u003eTorque sequence and spec sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eBMW and MINI transverse-platform differential — found across the F-series UKL2 chassis lineup:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMINI F-series — F54 Clubman, F55, F56, F57, F60 Countryman\u003c\/li\u003e\n\u003cli\u003eBMW F-series — F39 X2, F45 \/ F46 2-series Active \u0026amp; Gran Tourer (EU), F48 X1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm OEM bolt part numbers against your specific differential before ordering.\u003c\/strong\u003e BMW issued running revisions to the OEM TTY bolts mid-platform. This ARP2000 kit covers both revisions. If you're on a G-chassis (longitudinal RWD \/ xDrive) BMW with a different differential casting, this kit does not fit — contact sales@essewerks.com and we'll source the right ARP kit for your application.\u003c\/p\u003e\n\n\u003ch3\u003eInstall\u003c\/h3\u003e\n\u003cp\u003e0.5 hrs assuming the differential is already out of the car — LSD install, gear set change, service teardown. Use the included ARP ULTRA-TORQUE lubricant on threads and under the bolt head, follow ARP's torque sequence, torque in three passes per the included spec sheet.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this kit does not include\u003c\/h3\u003e\n\u003cp\u003eBolts only. A complete diff reassembly typically also requires pinion crush sleeve, pinion seal, axle seals, and ring-gear-to-carrier shims — all sourced separately. Esse Werks can quote the full hardware list at intake.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eARP × Esse Werks.\u003c\/strong\u003e Manufactured by ARP (Automotive Racing Products, Ventura, California — Made in the USA). Esse Werks spec, ARP build, ARP manufacturer warranty pass-through.\u003c\/p\u003e","brand":"ARP × Esse Werks","offers":[{"title":"Default Title","offer_id":43280682418237,"sku":"EW-DRV-ARPBOLTS-RING","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/f56_flywheel_bolts_BLK01.png?v=1781742738"},{"product_id":"esse-werks-enet-cable","title":"Esse Werks ENET Cable — OBD to Ethernet for bootmod3","description":"\u003cp\u003e\u003cstrong\u003eOBD-II 16-pin to RJ45 ENET (Ethernet) cable for bootmod3 flashing, datalogging, and coding.\u003c\/strong\u003e One end plugs into the car's 16-pin OBD-II port; the other into a laptop's Ethernet port (or a USB-to-Ethernet adapter). Required hardware for every BM3 license seat — without it, you can't flash a calibration to the ECU.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this is\u003c\/h3\u003e\n\u003cp\u003eA purpose-built OBD-II to Ethernet (RJ45) cable carrying the BMW ENET protocol that bootmod3 (and BMW's own ISTA diagnostic software) uses to communicate with the ECU at flash speed. Esse Werks branded, sourced from a reliable supplier.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBMW chassis with the standard 16-pin OBD-II port and ENET-over-OBD support (F-series and G-series across the lineup, plus late-production E-series with OBD-Ethernet support)\u003c\/li\u003e\n  \u003cli\u003eAll MINI F-series\u003c\/li\u003e\n  \u003cli\u003eWorks with bootmod3 (PTF) flashing software on Mac and PC\u003c\/li\u003e\n  \u003cli\u003eWorks with BMW ISTA diagnostic software\u003c\/li\u003e\n  \u003cli\u003eWorks with E-Sys coding software\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne Esse Werks ENET \/ OBD-Ethernet cable (approximately 6 feet — long enough to reach from the OBD-II port to a laptop on the driver's seat)\u003c\/li\u003e\n  \u003cli\u003eEsse Werks branded sleeve\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you also need\u003c\/h3\u003e\n\u003cp\u003eA laptop with an Ethernet port (or a USB-to-Ethernet adapter — Apple's USB-C to Ethernet adapter works with this cable on Mac, similar adapters work on PC). The bootmod3 software is downloaded separately from PTF Tuning at protuningfreaks.com. Your BM3 license seat is purchased through PTF or via our calibration order intake.\u003c\/p\u003e","brand":"Esse Werks","offers":[{"title":"Default Title","offer_id":43280732160061,"sku":"EW-TOOL-ENET","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/2553\/8109\/files\/EW_ENET_CABLE_BLK01.png?v=1781742739"}],"url":"https:\/\/essewerks.com\/collections\/hardware-parts.oembed","provider":"Esse Werks","version":"1.0","type":"link"}