Variant 1
ECU- Catalog engine
- 1000 8V FLEX 65HP
- Controller brand
- MAGNETI MARELLI
- ECU
- IAW 4AF.BPF HW423
- Stock power
- 65 HP
FIAT · IAW 4AF.BPF HW423 ECU · petrol
FIAT SIENA IAW 4AF.BPF HW423 tuning files
Tuning file coverage for the FIAT SIENA running the IAW 4AF.BPF HW423 ECU. The matched variants sit between 65 and 65 HP from the factory. On this petrol engine the focus is sharper throttle and useful, repeatable gains. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
What we can run on the IAW 4AF.BPF HW423 for this petrol — the precise options narrow down by engine and software version.
Engine variants & ECU software
1 distinct variant for the FIAT SIENA on the IAW 4AF.BPF HW423 ECU. Reference the engine and controller software when you upload.
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 SIENA 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 SIENA 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.