Variant 1
ECU- Catalog engine
- 1300 95HP
- Controller brand
- MAGNETI MARELLI
- ECU
- 4F42X225
- Stock power
- 95 HP
- ECU SW
- 4F42X225
- ECU HW
- MJ9DFHW000
- Calibration
- 4F42X225
FIAT · 4F42X225 ECU
FIAT 500L 4F42X225 tuning files
FIAT 500L on the 4F42X225: matched, calibrated and delivered with care. Stock output across the matched variants spans 95–95 HP. For this platform the dependable path begins with Stage 1 and Stage 2. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
Applicable work for the 4F42X225 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 FIAT 500L on the 4F42X225 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the 4F42X225 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the FIAT 500L on the 4F42X225?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the 4F42X225 ECU software on this model?
Yes — the FIAT 500L on the 4F42X225 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.