Variant 1
ECU- Catalog engine
- 2500 24V 250HP
- Controller brand
- BOSCH
- ECU
- M3.1
- Stock power
- 250 HP
- ECU SW
- 1267357609
- ECU HW
- 0261200413
BMW · M3.1 ECU · petrol
BMW 3 SERIES M3.1 tuning files
BMW 3 SERIES on the M3.1: matched, calibrated and delivered with care. The matched variants sit between 149 and 250 HP from the factory. There are 8 distinct variants on file for this combination. 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 M3.1 on this petrol platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
8 distinct variants for the BMW 3 SERIES on the M3.1 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 2500 24V 192HP
- Generation
- E46 1998-2005
- Matched gains engine
- 325i 192
- Controller brand
- BOSCH
- ECU
- M3.1
- Stock power
- 192 HP
- Stage 1 power
- 206 HP
- Power increase
- +14 HP (+7%)
- Stock torque
- 245 Nm
- Stage 1 torque
- 270 Nm
- Torque increase
- +25 Nm (+10%)
Variant 3
ECU- Catalog engine
- 2500 192HP
- Generation
- E46 1998-2005
- Matched gains engine
- 325i 192
- Controller brand
- BOSCH
- ECU
- M3.1
- Stock power
- 192 HP
- Stage 1 power
- 206 HP
- Power increase
- +14 HP (+7%)
- Stock torque
- 245 Nm
- Stage 1 torque
- 270 Nm
- Torque increase
- +25 Nm (+10%)
Variant 4
ECU- Catalog engine
- 2500 192HP
- Generation
- E46 1998-2005
- Matched gains engine
- 325i 192
- Controller brand
- BOSCH
- ECU
- M3.1
- Stock power
- 192 HP
- Stage 1 power
- 206 HP
- Power increase
- +14 HP (+7%)
- Stock torque
- 245 Nm
- Stage 1 torque
- 270 Nm
- Torque increase
- +25 Nm (+10%)
- ECU HW
- 0261200403
Variant 5
ECU- Catalog engine
- 2500 192HP
- Generation
- E46 1998-2005
- Matched gains engine
- 325i 192
- Controller brand
- BOSCH
- ECU
- M3.1
- Stock power
- 192 HP
- Stage 1 power
- 206 HP
- Power increase
- +14 HP (+7%)
- Stock torque
- 245 Nm
- Stage 1 torque
- 270 Nm
- Torque increase
- +25 Nm (+10%)
- ECU HW
- 0261200413
Variant 6
ECU- Catalog engine
- 2000 150HP
- Controller brand
- BOSCH
- ECU
- M3.1
- Stock power
- 150 HP
Variant 7
ECU- Catalog engine
- 2000 24V 149HP
- Controller brand
- BOSCH
- ECU
- M3.1
- Stock power
- 149 HP
Variant 8
ECU- Catalog engine
- 2000 24V E36 149HP
- Controller brand
- BOSCH
- ECU
- M3.1
- Stock power
- 149 HP
Related vehicles
Other vehicles built on the M3.1 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 M3.1?
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 M3.1 ECU software on this model?
Yes — the BMW 3 SERIES on the M3.1 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.