{"product_id":"tune-bmw-n13","title":"BMW N13 Tune","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 N13 (F20\/F30 114i–320i) — built from datalogs on your car, not a map off a shelf. The N13 is a small single-turbo four; the gains here are about a cleaner, more linear part-throttle response and usable mid-range, not headline figures. We start from what your engine is actually doing in fuel trims, timing, knock, and load, and revise against the next log until the math and the data agree.\u003c\/p\u003e\n\u003cp\u003eThis is an entry-displacement engine, and we treat it like one — a daily-driven calibration that respects the stock hardware's limits rather than chasing a number it was never built to hold.\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":43280674455613,"sku":"EW-TUNE-N13-S1","price":495.0,"currency_code":"USD","in_stock":true},{"title":"Stage 2","offer_id":43280674488381,"sku":"EW-TUNE-N13-S2","price":595.0,"currency_code":"USD","in_stock":true},{"title":"Stage 3","offer_id":43280674521149,"sku":"EW-TUNE-N13-S3","price":895.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/essewerks.com\/products\/tune-bmw-n13","provider":"Esse Werks","version":"1.0","type":"link"}