{"product_id":"tune-f10-m5","title":"BMW F10 M5 (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 F10 M5 (S63TU) — built from datalogs on your car, not a map off a shelf. This is the M-division super-sedan, and the S63TU is a genuine performance engine — so we calibrate it as one, reconciling timing, knock, fuel trims, and load against your own logs until the math and the data agree. Owners here are usually serious about street and track, and the tune is built to that standard.\u003c\/p\u003e\n\u003cp\u003eA four-door that runs hard deserves a calibration that's documented and repeatable, not a one-size map — which is why each Stage is logged and revised on your specific car.\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":43280677797949,"sku":"EW-TUNE-F10-M5-S1","price":495.0,"currency_code":"USD","in_stock":true},{"title":"Stage 2","offer_id":43280677830717,"sku":"EW-TUNE-F10-M5-S2","price":595.0,"currency_code":"USD","in_stock":true},{"title":"Stage 3","offer_id":43280677863485,"sku":"EW-TUNE-F10-M5-S3","price":895.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/essewerks.com\/products\/tune-f10-m5","provider":"Esse Werks","version":"1.0","type":"link"}