Variant 1
ECU- Catalog engine
- 300 21HP
- Controller brand
- SIEMENS
- ECU
- M3C
- Stock power
- 21 HP
KYMCO · M3C ECU · petrol
KYMCO MXU M3C tuning files
Everything we work with on the KYMCO MXU fitted with the M3C. Stock output across the matched variants spans 21–21 HP. On this petrol engine the focus is sharper throttle and useful, repeatable gains. Each file is tied to the precise software on your car and checked before it goes out.
Available solutions
Applicable work for the M3C on this petrol. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
1 distinct variant for the KYMCO MXU on the M3C ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the M3C controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the KYMCO MXU on the M3C?
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 M3C ECU software on this model?
Yes — the KYMCO MXU on the M3C 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.