Variant 1
ECU- Catalog engine
- 2700 129HP
- Controller brand
- BOSCH
- ECU
- ML3.03
- Stock power
- 129 HP
BMW · ML3.03 ECU · petrol
BMW 3 SERIES ML3.03 tuning files
Here is what the catalog holds for the BMW 3 SERIES on the ML3.03. Stock output across the matched variants spans 129–129 HP. It is a petrol platform, tuned for response and clean power delivery. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Applicable work for the ML3.03 on this petrol. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
1 distinct variant for the BMW 3 SERIES on the ML3.03 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the ML3.03 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 ML3.03?
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 ML3.03 ECU software on this model?
Yes — the BMW 3 SERIES on the ML3.03 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.