Variant 1
ECU- Catalog engine
- 3000 306HP
- Engine code
- N54B30
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 306 HP
- ECU SW
- 6577475147
- ECU HW
- 6577475271
- Calibration
- 0044CC0IJC0SIFN1S
BMW · MSD81.X ECU · petrol
BMW 1 SERIES MSD81.X tuning files
Everything we work with on the BMW 1 SERIES fitted with the MSD81.X. Stock output across the matched variants spans 122–306 HP. There are 13 distinct variants on file for this combination. 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
Solutions that apply to the MSD81.X on this petrol platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
13 distinct variants for the BMW 1 SERIES on the MSD81.X ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 3000 306HP
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 306 HP
- Calibration
- 0044CC0IGD0SIFN2S
Variant 3
ECU- Catalog engine
- 3000 306HP
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 306 HP
Variant 4
ECU- Catalog engine
- 3000 306HP
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 306 HP
- Calibration
- 0044RD0QHA0SQAT7S
Variant 5
ECU- Catalog engine
- 3000 265HP
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 265 HP
- Calibration
- 0044CC0IF80SIFN2S
Variant 6
ECU- Catalog engine
- 3000 265HP
- Engine code
- N53B30
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 265 HP
- ECU SW
- 6577475117
- ECU HW
- 6577475255
- Calibration
- 0044CC0IF80SIHS2S
Variant 7
ECU- Catalog engine
- 2000 170HP
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 170 HP
- Calibration
- 0044RD0QID0SQBM3S
Variant 8
ECU- Catalog engine
- 2000 170HP
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 170 HP
- Calibration
- 0044RD0QID0SQBL3S
Variant 9
ECU- Catalog engine
- 1600 122HP
- Generation
- E8x 2005-2007
- Matched gains engine
- 118d 122
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 122 HP
- Stage 1 power
- 150 HP
- Power increase
- +28 HP (+23%)
- Stock torque
- 280 Nm
- Stage 1 torque
- 340 Nm
- Torque increase
- +60 Nm (+21%)
- Calibration
- 0044RD0QID0SQAO3S
Variant 10
ECU- Catalog engine
- 1600 122HP
- Generation
- E8x 2005-2007
- Matched gains engine
- 118d 122
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 122 HP
- Stage 1 power
- 150 HP
- Power increase
- +28 HP (+23%)
- Stock torque
- 280 Nm
- Stage 1 torque
- 340 Nm
- Torque increase
- +60 Nm (+21%)
- Calibration
- 0044RD0QID0SQAN2S
Variant 11
ECU- Catalog engine
- 1600 122HP
- Engine code
- N43B16O0
- Generation
- E8x 2005-2007
- Matched gains engine
- 118d 122
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 122 HP
- Stage 1 power
- 150 HP
- Power increase
- +28 HP (+23%)
- Stock torque
- 280 Nm
- Stage 1 torque
- 340 Nm
- Torque increase
- +60 Nm (+21%)
- ECU SW
- 08676086
- ECU HW
- 08672567
- Calibration
- 0044RD0QID0SQBY3S
Variant 12
ECU- Catalog engine
- 1600 122HP
- Engine code
- N43B16O0
- Generation
- E8x 2005-2007
- Matched gains engine
- 118d 122
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 122 HP
- Stage 1 power
- 150 HP
- Power increase
- +28 HP (+23%)
- Stock torque
- 280 Nm
- Stage 1 torque
- 340 Nm
- Torque increase
- +60 Nm (+21%)
- ECU SW
- 6577475124
- ECU HW
- 6577475258
- Calibration
- 0044RD0QGF0SQAP6S
Variant 13
ECU- Catalog engine
- 1600 122HP
- Engine code
- N43B16
- Generation
- E8x 2005-2007
- Matched gains engine
- 118d 122
- Controller brand
- SIEMENS
- ECU
- MSD81.X
- Stock power
- 122 HP
- Stage 1 power
- 150 HP
- Power increase
- +28 HP (+23%)
- Stock torque
- 280 Nm
- Stage 1 torque
- 340 Nm
- Torque increase
- +60 Nm (+21%)
- ECU SW
- 6577475110
- ECU HW
- 6577475252
- Calibration
- 0044RD0QF70SQAM5S
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 1 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 1 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.