Variant 1
ECU- Catalog engine
- 1300 95HP
- Controller brand
- MAGNETI MARELLI
- ECU
- 4B45X114
- Stock power
- 95 HP
- ECU SW
- 4B45X114
- ECU HW
- MJ9DFHW000
- Calibration
- 4B45X114
FIAT · 4B45X114 ECU
FIAT 500L 4B45X114 tuning files
The FIAT 500L on the 4B45X114, mapped from stock file to finished result. Across the matched variants stock power runs from 95 to 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
Solutions that apply to the 4B45X114 on this vehicle platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
1 distinct variant for the FIAT 500L on the 4B45X114 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the 4B45X114 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 4B45X114?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the 4B45X114 ECU software on this model?
Yes — the FIAT 500L on the 4B45X114 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.