{"product_id":"tune-f85-x5-m","title":"BMW F85 X5 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 F85 X5 M (S63TU) — built from datalogs on your car, not a map off a shelf. The F85 is the performance SUV of the S63TU family — a heavy, all-wheel-drive body asking the same M-division V8 to move a lot more mass. We calibrate for that reality, reconciling timing, knock, fuel trims, and load against your own logs until the math and the data agree.\u003c\/p\u003e\n\u003cp\u003eWith the weight and the all-paw drivetrain, the tune is shaped around strong, manageable mid-range that makes the X5 M feel quicker in the situations you actually drive it.\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":43280680157245,"sku":"EW-TUNE-F85-X5M-S1","price":495.0,"currency_code":"USD","in_stock":true},{"title":"Stage 2","offer_id":43280680190013,"sku":"EW-TUNE-F85-X5M-S2","price":595.0,"currency_code":"USD","in_stock":true},{"title":"Stage 3","offer_id":43280680222781,"sku":"EW-TUNE-F85-X5M-S3","price":895.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/essewerks.com\/products\/tune-f85-x5-m","provider":"Esse Werks","version":"1.0","type":"link"}