BMW · M1.7 ECU · petrol

BMW 3 SERIES M1.7 tuning files

The BMW 3 SERIES on the M1.7, mapped from stock file to finished result. Across the matched variants stock power runs from 102 to 140 HP. 6 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.

Upload your file →All 3 SERIES coverage

Available solutions

What we can run on the M1.7 for this petrol — the precise options narrow down by engine and software version.

Stage 1Stage 2Swirl Flaps OffLambda / O2OPF/GPF Off

Engine variants & ECU software

6 distinct variants for the BMW 3 SERIES on the M1.7 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1800 16V 140HP
Controller brand
BOSCH
ECU
M1.7
Stock power
140 HP
ECU SW
1267355978
ECU HW
0261203281

Variant 2

ECU
Catalog engine
1800 16V 140HP
Controller brand
BOSCH
ECU
M1.7
Stock power
140 HP

Variant 3

ECU
Catalog engine
1800 140HP
Engine code
M42B18
Controller brand
BOSCH
ECU
M1.7
Stock power
140 HP

Variant 4

ECU
Catalog engine
1800 8V 115HP
Controller brand
BOSCH
ECU
M1.7
Stock power
115 HP

Variant 5

ECU
Catalog engine
1600 8V 102HP
Controller brand
BOSCH
ECU
M1.7
Stock power
102 HP
ECU HW
0216201897

Variant 6

ECU
Catalog engine
1600 8V 102HP
Controller brand
BOSCH
ECU
M1.7
Stock power
102 HP

Related vehicles

Other vehicles built on the M1.7 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 M1.7?

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 M1.7 ECU software on this model?

Yes — the BMW 3 SERIES on the M1.7 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.

BMW 3 SERIES M1.7 ECU Tuning Files | TuningBay