Variant 1
ECU- Catalog engine
- 3000 340HP
- Engine code
- N54B30OV
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 340 HP
- ECU SW
- 6577475147
- ECU HW
- 6577475271
- Calibration
- 0044CC0IJC0SIJB1S
BMW · MSD81.X ECU · petrol
BMW Z SERIES MSD81.X tuning files
BMW Z SERIES on the MSD81.X: matched, calibrated and delivered with care. Across the matched variants stock power runs from 306 to 340 HP. There are 6 distinct variants on file for this combination. It is a petrol platform, tuned for response and clean power delivery. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
Applicable work for the MSD81.X on this petrol. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
6 distinct variants for the BMW Z SERIES on the MSD81.X ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 3000 306HP
- Engine code
- N54B30O0
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 306 HP
- ECU SW
- 6577475153
- ECU HW
- 6577475271
- Calibration
- 0044CC0IJE0SIFR2S
Variant 3
ECU- Catalog engine
- 3000 306HP
- Engine code
- N54B30O0
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 306 HP
- ECU SW
- 6577475163
- ECU HW
- 6577475275
- Calibration
- 0044CC0ILA0SIGR3S
Variant 4
ECU- Catalog engine
- 3000 306HP
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 306 HP
- Calibration
- 0044CC0INA0SIFR6S
Variant 5
ECU- Catalog engine
- 3000 306HP
- Engine code
- N54B30O0
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 306 HP
- ECU HW
- 08619751
- Calibration
- 0044CC0INA0SIGR7S
Variant 6
ECU- Catalog engine
- 3000 306HP
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 306 HP
Related vehicles
Other vehicles built on the MSD81.X 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 MSD81.X?
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.X ECU software on this model?
Yes — the BMW Z SERIES on the MSD81.X 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.