FIAT · 8TDW ECU

FIAT 500X 8TDW tuning files

Tuning file coverage for the FIAT 500X running the 8TDW ECU. Stock output across the matched variants spans 140–140 HP. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Each file is tied to the precise software on your car and checked before it goes out.

Available solutions

Applicable work for the 8TDW on this vehicle. The available set firms up once the exact engine and software are known.

Engine variants & ECU software

1 distinct variant for the FIAT 500X on the 8TDW ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
1400 140HP
Generation
2014-2018
Matched gains engine
1.4 Multiair 140
Controller brand
MAGNETI MARELLI
ECU
8TDW
Stock power
140 HP
Stage 1 power
165 HP
Power increase
+25 HP (+18%)
Stock torque
230 Nm
Stage 1 torque
300 Nm
Torque increase
+70 Nm (+30%)

Related vehicles

Other vehicles built on the 8TDW controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the FIAT 500X on the 8TDW?

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

Do you cover the 8TDW ECU software on this model?

Yes — the FIAT 500X on the 8TDW 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 500X 8TDW ECU Tuning Files | TuningBay