Variant 1
ECU- Catalog engine
- 3200 343HP
- Controller brand
- SIEMENS
- ECU
- MSS70
- Stock power
- 343 HP
BMW · MSS70 ECU · petrol
BMW Z SERIES MSS70 tuning files
BMW Z SERIES on the MSS70: matched, calibrated and delivered with care. Across the matched variants stock power runs from 343 to 343 HP. Petrol calibration here is about crisp response and a result that holds up day to day. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Solutions that apply to the MSS70 on this petrol platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
5 distinct variants for the BMW Z SERIES on the MSS70 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 3200 343HP
- Engine code
- S54B32
- Controller brand
- SIEMENS
- ECU
- MSS70
- Stock power
- 343 HP
- ECU SW
- 6577985604
- ECU HW
- 6577985251
- Calibration
- 0049R200840S0ZEHC
Variant 3
ECU- Catalog engine
- Z4 M 3200 343HP
- Engine code
- S54B32
- Controller brand
- SIEMENS
- ECU
- MSS70
- Stock power
- 343 HP
- ECU SW
- 6577985603
- ECU HW
- 6577985251
- Calibration
- 0049R200820S0YEHC
Variant 4
ECU- Catalog engine
- Z4 M 3200 343HP
- Controller brand
- SIEMENS
- ECU
- MSS70
- Stock power
- 343 HP
Variant 5
ECU- Catalog engine
- Z4 M 3200 343HP
- Engine code
- S54B32
- Controller brand
- SIEMENS
- ECU
- MSS70
- Stock power
- 343 HP
- ECU SW
- 6577989001
- ECU HW
- 6577985201
- Calibration
- 0049R200820S0YEHI
Related vehicles
Other vehicles built on the MSS70 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the BMW Z SERIES on the MSS70?
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 MSS70 ECU software on this model?
Yes — the BMW Z SERIES on the MSS70 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.