Variant 1
ECU- Catalog engine
- 1300 95HP
- Controller brand
- MAGNETI MARELLI
- ECU
- MJ8DF
- Stock power
- 95 HP
- ECU SW
- 9445E176
- ECU HW
- MJ8DFHW0
- SW upgrade
- 9445E176
- Calibration
- 9445E176
FIAT · MJ8DF ECU · diesel
FIAT 500 MJ8DF tuning files
Everything we work with on the FIAT 500 fitted with the MJ8DF. Stock output across the matched variants spans 95–95 HP. It is a diesel platform, so the full diesel solution range is on the table. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
Solutions that apply to the MJ8DF on this diesel platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
5 distinct variants for the FIAT 500 on the MJ8DF ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 1300 MJET 95HP
- Controller brand
- MAGNETI MARELLI
- ECU
- MJ8DF
- Stock power
- 95 HP
- ECU SW
- 9744E187
- ECU HW
- MJ8DFHW0
- SW upgrade
- 9744E187
- Calibration
- 9744E187
Variant 3
ECU- Catalog engine
- 1300 MJET 95HP
- Controller brand
- MAGNETI MARELLI
- ECU
- MJ8DF
- Stock power
- 95 HP
- ECU SW
- 9743E185
- ECU HW
- MJ8DFHW0
- SW upgrade
- 9743E185
- Calibration
- 9743E185
Variant 4
ECU- Catalog engine
- 1300 MJET 95HP
- Controller brand
- MAGNETI MARELLI
- ECU
- MJ8DF
- Stock power
- 95 HP
Variant 5
ECU- Catalog engine
- 1300 MJET 95HP
- Controller brand
- MAGNETI MARELLI
- ECU
- MJ8DF
- Stock power
- 95 HP
- ECU SW
- 9743F587
- ECU HW
- MJ8DFHW0
- SW upgrade
- 9743F587
- Calibration
- 9743F587
Related vehicles
Other vehicles built on the MJ8DF controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the FIAT 500 on the MJ8DF?
Stage 1, Stage 2, DPF Off, EGR Off, Swirl Flaps Off, Lambda / O2, MAF Off, TVA, NOx Off, AGS, Readiness, Start/Stop Off, Oil Pressure, Limp Mode Off. The exact set depends on the specific engine and software version.
Do you cover the MJ8DF ECU software on this model?
Yes — the FIAT 500 on the MJ8DF 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.