FIAT · 4AFB.UB2 ECU

FIAT UNO 4AFB.UB2 tuning files

Tuning file coverage for the FIAT UNO running the 4AFB.UB2 ECU. The matched variants sit between 75 and 75 HP from the factory. 2 distinct variants are catalogued here. 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.

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Available solutions

What we can run on the 4AFB.UB2 for this vehicle — the precise options narrow down by engine and software version.

Stage 1Stage 2

Engine variants & ECU software

2 distinct variants for the FIAT UNO on the 4AFB.UB2 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1300 75HP
Controller brand
MAGNETI MARELLI
ECU
4AFB.UB2
Stock power
75 HP

Variant 2

ECU
Catalog engine
1300 75HP
Controller brand
MAGNETI MARELLI
ECU
4AFB.UB2
Stock power
75 HP
ECU SW
5003U0M

Related vehicles

Other vehicles built on the 4AFB.UB2 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the FIAT UNO on the 4AFB.UB2?

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

Do you cover the 4AFB.UB2 ECU software on this model?

Yes — the FIAT UNO on the 4AFB.UB2 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 UNO 4AFB.UB2 ECU Tuning Files | TuningBay