120i 170hp Stage 1 tuning
The BMW 1 serie 120i 170hp produces 170 hp and 210 Nm as standard. The YASTUNING Stage 1 remap file takes it to 185 hp and 230 Nm, a gain of +15 hp and +20 Nm. Engine code N46B20. ECU: Bosch MED17, Bosch MEV17.4.6, Siemens/Continental MSD80.2, Siemens/Continental MSD81. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.
Engine specifications
- Engine code
- N46B20
- Fuel
- Petrol
- Displacement
- 1995 cc
- Compression
- 12.0 : 1
- Bore × Stroke
- 84.0 X 90.0 mm
- ECU
- Bosch MED17, Bosch MEV17.4.6, Siemens/Continental MSD80.2, Siemens/Continental MSD81
- Method
- Chiptuning
Available options
Software options we can include with the BMW 1 serie 120i 170hp file on request.
- DECAT
- DTC Removal
- FLAPS
- Pop & Bang Crackle map
- Vmax
Supported read methods
Tools known to read and write this ECU. Send the stock file from any of them and we return the tuned file in the same format.
- Alientech KESSv2
- Autotuner
- CMDFlash
- Flex
- New Genius
- New Trasdata