Variant 1
ECU- Catalog engine
- 1300 95HP
- Controller brand
- MAGNETI MARELLI
- ECU
- 3454Y366
- Stock power
- 95 HP
FIAT · 3454Y366 ECU
FIAT 500 3454Y366 tuning files
The FIAT 500 on the 3454Y366, mapped from stock file to finished result. The matched variants sit between 95 and 95 HP from the factory. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
Applicable work for the 3454Y366 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 500 on the 3454Y366 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the 3454Y366 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 3454Y366?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the 3454Y366 ECU software on this model?
Yes — the FIAT 500 on the 3454Y366 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.