{"product_id":"tune-f86-x6-m","title":"BMW F86 X6 M (S63TU)","description":"\u003cp\u003e\u003cstrong\u003eLogged, verified, revised. Documented in writing. Yours to keep.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA custom bootmod3 calibration for the F86 X6 M (S63TU) — built from datalogs on your car, not a map off a shelf. The F86 is the coupe-SUV sibling to the X5 M — the same S63TU V8 and all-wheel-drive hardware in the fastback body, so it carries similar mass with a sportier brief. We calibrate to what the car is actually doing, reconciling timing, knock, fuel trims, and load against your own logs until the math and the data agree.\u003c\/p\u003e\n\u003cp\u003eGiven its grand-touring-SUV character, it's calibrated for confident, accessible mid-range rather than a peak figure that only shows up on a dyno sheet.\u003c\/p\u003e\n\u003ch3\u003eHow we approach it\u003c\/h3\u003e\n\u003cp\u003eMath first, datalogs second, marketing claims a distant last. We don't publish dyno numbers we can't reproduce; we tune to what your specific car does on the fuel you actually buy.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/configure\"\u003eConfigure your tune →\u003c\/a\u003e\u003c\/p\u003e","brand":"Esse Werks","offers":[{"title":"Stage 1","offer_id":43280680255549,"sku":"EW-TUNE-F86-X6M-S1","price":495.0,"currency_code":"USD","in_stock":true},{"title":"Stage 2","offer_id":43280680288317,"sku":"EW-TUNE-F86-X6M-S2","price":595.0,"currency_code":"USD","in_stock":true},{"title":"Stage 3","offer_id":43280680321085,"sku":"EW-TUNE-F86-X6M-S3","price":895.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/essewerks.com\/products\/tune-f86-x6-m","provider":"Esse Werks","version":"1.0","type":"link"}