BMC · CM850 ECU

BMC PROBUS CM850 tuning files

Tuning file coverage for the BMC PROBUS running the CM850 ECU. The matched variants sit between 225 and 250 HP from the factory. 2 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Your file is built against the exact ECU software on the car, then operator-verified.

Available solutions

Applicable work for the CM850 on this vehicle. The available set firms up once the exact engine and software are known.

Engine variants & ECU software

2 distinct variants for the BMC PROBUS on the CM850 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
6700 250HP
Engine code
6C u04D083
Controller brand
MOTOROLA
ECU
CM850
Stock power
250 HP
ECU SW
W902SY6
ECU HW
4921776

Variant 2

ECU
Catalog engine
6700 225HP
Controller brand
MOTOROLA
ECU
CM850
Stock power
225 HP

Related vehicles

Other vehicles built on the CM850 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the BMC PROBUS on the CM850?

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

Do you cover the CM850 ECU software on this model?

Yes — the BMC PROBUS on the CM850 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.

BMC PROBUS CM850 ECU Tuning Files | TuningBay