Variant 1
ECU- Catalog engine
- 1600 16V 103HP
- Controller brand
- MAGNETI MARELLI
- ECU
- IAW 49F.BT1
- Stock power
- 103 HP
FIAT · IAW 49F.BT1 ECU · petrol
FIAT SIENA IAW 49F.BT1 tuning files
Tuning file coverage for the FIAT SIENA running the IAW 49F.BT1 ECU. Stock output across the matched variants spans 103–103 HP. Petrol calibration here is about crisp response and a result that holds up day to day. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
Available solutions
What we can run on the IAW 49F.BT1 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 49F.BT1 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the IAW 49F.BT1 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 49F.BT1?
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 49F.BT1 ECU software on this model?
Yes — the FIAT SIENA on the IAW 49F.BT1 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.