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Tuned firmware for the BMW 428i Sedan (N26B20O0 engine, 2014) with Bosch MEVD17.2.9 ECU and software ID 540090. This complete binary includes Stage 2 calibration with removed top-speed limiter (Vmax OFF), decat logic (no post-cat lambda), and Pop&Bang in Sport mode. Developed for dynamic petrol builds with upgraded exhaust and full off-road freedom.
Modified By
Dyno Chiptuningfiles via EVC reseller (dyno-chiptuningfiles.com) 🇳🇱 The Netherlands
BMW, 428i, N26, and MEVD17.2.9 are trademarks of Bayerische Motoren Werke AG.
All brand names are used for identification only.
This file is intended for competition/off-road use.
The seller is not affiliated with BMW AG or Bosch.
Unauthorized duplication or resale is prohibited.
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