This Stage 1 ECU file for BMW 118i F20/F21 with Bosch MEVD17.2.5 delivers improved drivability and more linear power on the 1.6L turbo-petrol N13 engine. Calibrated for stock hardware, it's a plug-and-play solution in CMD Flash full binary format.
Overview Feature list Copyright info Releases (1) Discussion
- Stage 1 ECU remap for BMW 118i F20/F21 with 1.6L turbo N13 engine
- Boost, torque and throttle request optimised for stronger low/mid-range pull
- Air/fuel ratio and ignition maps refined for smoother powerband
- Cold start, catalyst heating and idle kept within OEM spec
- No emissions system removal — suitable for stock exhaust and hardware
- Checksum corrected using OLS807 v3.32 (Bosch MED17 verified)
- CMD Flash ready — full binary format (not partial/map-only)
- Based on software ID 537439 for MEVD17.2.5 hardware
- For motorsport/off-road use only — check emissions compliance locally