Variant 1
ECU- Catalog engine
- 3000 231HP
- Controller brand
- SIEMENS
- ECU
- MS45
- Stock power
- 231 HP
BMW · MS45 ECU · petrol
BMW 3 SERIES MS45 tuning files
The BMW 3 SERIES on the MS45, mapped from stock file to finished result. The matched variants sit between 231 and 231 HP from the factory. On this petrol engine the focus is sharper throttle and useful, repeatable gains. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
What we can run on the MS45 for this petrol — the precise options narrow down by engine and software version.
Engine variants & ECU software
3 distinct variants for the BMW 3 SERIES on the MS45 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 3000 231HP
- Controller brand
- SIEMENS
- ECU
- MS45
- Stock power
- 231 HP
- Calibration
- 0044570LL00S0HJ2R
Variant 3
ECU- Catalog engine
- 3000 231HP
- Controller brand
- SIEMENS
- ECU
- MS45
- Stock power
- 231 HP
- Calibration
- BM00CA3R
Related vehicles
Other vehicles built on the MS45 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the BMW 3 SERIES on the MS45?
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 MS45 ECU software on this model?
Yes — the BMW 3 SERIES on the MS45 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.