Variant 1
ECU- Catalog engine
- 320i 2000 24V 150HP
- Controller brand
- SIEMENS
- ECU
- MS40
- Stock power
- 150 HP
BMW · MS40 ECU · petrol
BMW 3 SERIES MS40 tuning files
Tuning file coverage for the BMW 3 SERIES running the MS40 ECU. The matched variants sit between 150 and 150 HP from the factory. 2 distinct variants are catalogued here. On this petrol engine the focus is sharper throttle and useful, repeatable gains. 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 MS40 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 MS40 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 2000 150HP
- Controller brand
- SIEMENS
- ECU
- MS40
- Stock power
- 150 HP
Related vehicles
Other vehicles built on the MS40 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 MS40?
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 MS40 ECU software on this model?
Yes — the BMW 3 SERIES on the MS40 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.