Variant 1
ECU- Catalog engine
- 3000 306HP
- Engine code
- N54B30
- Controller brand
- SIEMENS
- ECU
- MSD81.2
- Stock power
- 306 HP
BMW · MSD81.2 ECU · petrol
BMW 1 SERIES MSD81.2 tuning files
The BMW 1 SERIES on the MSD81.2, mapped from stock file to finished result. Stock output across the matched variants spans 170–306 HP. 2 distinct variants are catalogued here. It is a petrol platform, tuned for response and clean power delivery. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
Solutions that apply to the MSD81.2 on this petrol platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
2 distinct variants for the BMW 1 SERIES on the MSD81.2 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 2000 170HP
- Controller brand
- SIEMENS
- ECU
- MSD81.2
- Stock power
- 170 HP
Related vehicles
Other vehicles built on the MSD81.2 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the BMW 1 SERIES on the MSD81.2?
Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.
Do you cover the MSD81.2 ECU software on this model?
Yes — the BMW 1 SERIES on the MSD81.2 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.