Variant 1
ECU- Catalog engine
- M5 3800 E34 340HP
- Controller brand
- BOSCH
- ECU
- M3.3
- Stock power
- 340 HP
BMW · M3.3 ECU · petrol
BMW M SERIES M3.3 tuning files
Everything we work with on the BMW M SERIES fitted with the M3.3. The matched variants sit between 285 and 340 HP from the factory. 5 distinct variants are catalogued here. On this petrol engine the focus is sharper throttle and useful, repeatable gains. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Applicable work for the M3.3 on this petrol. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
5 distinct variants for the BMW M SERIES on the M3.3 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 3000 295HP
- Controller brand
- BOSCH
- ECU
- M3.3
- Stock power
- 295 HP
Variant 3
ECU- Catalog engine
- M3 3000 E36 295HP
- Controller brand
- BOSCH
- ECU
- M3.3
- Stock power
- 295 HP
Variant 4
ECU- Catalog engine
- 3000 285HP
- Controller brand
- BOSCH
- ECU
- M3.3
- Stock power
- 285 HP
Variant 5
ECU- Catalog engine
- M3 3000 E36 285HP
- Controller brand
- BOSCH
- ECU
- M3.3
- Stock power
- 285 HP
Related vehicles
Other vehicles built on the M3.3 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the BMW M SERIES on the M3.3?
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 M3.3 ECU software on this model?
Yes — the BMW M SERIES on the M3.3 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.