Variant 1
ECU- Catalog engine
- 6700 250HP
- Controller brand
- MOTOROLA
- ECU
- CM850
- Stock power
- 250 HP
KING LONG · CM850 ECU
KING LONG XMQ6900 CM850 tuning files
Tuning file coverage for the KING LONG XMQ6900 running the CM850 ECU. The matched variants sit between 250 and 250 HP from the factory. 3 distinct variants are catalogued here. Stage 1 and Stage 2 are the safe starting points for this platform. We match the right calibration to your exact software and validate it before delivery.
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
3 distinct variants for the KING LONG XMQ6900 on the CM850 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 6700 250HP
- Controller brand
- MOTOROLA
- ECU
- CM850
- Stock power
- 250 HP
- ECU SW
- CJ90010.15
Variant 3
ECU- Catalog engine
- 6700 250HP
- Engine code
- 6BTAA6.7
- Controller brand
- MOTOROLA
- ECU
- CM850
- Stock power
- 250 HP
- ECU SW
- AP90017.08
- ECU HW
- 4921776
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 KING LONG XMQ6900 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 KING LONG XMQ6900 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.