BMW · MS52 ECU

BMW 3 SERIES MS52 tuning files

The BMW 3 SERIES on the MS52, mapped from stock file to finished result. The matched variants sit between 343 and 343 HP from the factory. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Available solutions

Applicable work for the MS52 on this vehicle. 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 MS52 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
3200 343HP
Generation
E46 1998-2005
Matched gains engine
M3 343
Controller brand
SIEMENS
ECU
MS52
Stock power
343 HP
Stage 1 power
365 HP
Power increase
+22 HP (+6%)
Stock torque
365 Nm
Stage 1 torque
387 Nm
Torque increase
+22 Nm (+6%)

Related vehicles

Other vehicles built on the MS52 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 MS52?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the MS52 ECU software on this model?

Yes — the BMW 3 SERIES on the MS52 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 MS52 ECU Tuning Files | TuningBay