FIAT · IAW 4AF.BPF HW423 ECU · petrol

FIAT PALIO IAW 4AF.BPF HW423 tuning files

Everything we work with on the FIAT PALIO fitted with the IAW 4AF.BPF HW423. Across the matched variants stock power runs from 66 to 72 HP. It is a petrol platform, tuned for response and clean power delivery. We match the right calibration to your exact software and validate it before delivery.

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Available solutions

Applicable work for the IAW 4AF.BPF HW423 on this petrol. The available set firms up once the exact engine and software are known.

Stage 1Stage 2Swirl Flaps OffLambda / O2OPF/GPF Off

Engine variants & ECU software

2 distinct variants for the FIAT PALIO on the IAW 4AF.BPF HW423 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1000 8V 72HP
Controller brand
MAGNETI MARELLI
ECU
IAW 4AF.BPF HW423
Stock power
72 HP

Variant 2

ECU
Catalog engine
1000 66HP
Controller brand
MAGNETI MARELLI
ECU
IAW 4AF.BPF HW423
Stock power
66 HP
ECU SW
90BNP4A
SW upgrade
55212930

Related vehicles

Other vehicles built on the IAW 4AF.BPF HW423 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the FIAT PALIO on the IAW 4AF.BPF HW423?

Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.

Do you cover the IAW 4AF.BPF HW423 ECU software on this model?

Yes — the FIAT PALIO on the IAW 4AF.BPF HW423 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 PALIO IAW 4AF.BPF HW423 ECU Tuning Files | TuningBay