Variant 1
ECU- Catalog engine
- 3200 338HP
- Engine code
- S54B32US
- Controller brand
- SIEMENS
- ECU
- MSS52
- Stock power
- 338 HP
- ECU HW
- 211323002701J429
BMW · MSS52 ECU · petrol
BMW 3 SERIES MSS52 tuning files
BMW 3 SERIES on the MSS52: matched, calibrated and delivered with care. Across the matched variants stock power runs from 338 to 338 HP. There are 2 distinct variants on file for this combination. Petrol calibration here is about crisp response and a result that holds up day to day. Each file is tied to the precise software on your car and checked before it goes out.
Available solutions
What we can run on the MSS52 for this petrol — the precise options narrow down by engine and software version.
Engine variants & ECU software
2 distinct variants for the BMW 3 SERIES on the MSS52 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 3200 338HP
- Controller brand
- SIEMENS
- ECU
- MSS52
- Stock power
- 338 HP
Related vehicles
Other vehicles built on the MSS52 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 MSS52?
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 MSS52 ECU software on this model?
Yes — the BMW 3 SERIES on the MSS52 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.