FIAT · 4E45B220 ECU

FIAT 500 4E45B220 tuning files

Everything we work with on the FIAT 500 fitted with the 4E45B220. Across the matched variants stock power runs from 95 to 95 HP. 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

Solutions that apply to the 4E45B220 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 500 on the 4E45B220 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1300 95HP
Controller brand
MAGNETI MARELLI
ECU
4E45B220
Stock power
95 HP
ECU SW
4G41X226
ECU HW
MJ9DFHW000
Calibration
4G41X226

Related vehicles

Other vehicles built on the 4E45B220 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 4E45B220?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the 4E45B220 ECU software on this model?

Yes — the FIAT 500 on the 4E45B220 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.

FIAT 500 4E45B220 ECU Tuning Files | TuningBay