Fiat 500 1.3 JTD — Marelli MJ9DF 4F42B222 — Calibration File Stage 1 55283475
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Stage 1 — ECU-Nr Prod: 55283475 / ECU-Nr ECU: HW000 — Professional calibration file for enhanced performance.
- Seller Bin
- Creation date
Stage 1 — ECU-Nr Prod: 55283475 / ECU-Nr ECU: HW000 — Professional calibration file for enhanced performance.
Unlock the full potential of your Fiat 500 1.3 JTD with this professionally calibrated Stage 1 tuning file for the Marelli MJ9DF ECU. Specifically developed for software version 4F42B222, this file is the definitive solution for enhancing your vehicle's performance and driving dynamics. Our calibration focuses on optimizing key engine parameters, including fuel injection maps, turbocharger boost pressure, and torque limiters, delivering a significant and noticeable increase in horsepower and torque across the entire rev range.
You will experience sharper throttle response, smoother acceleration, and more flexible power delivery. Every modification has been carefully tested to ensure stability while retaining all factory safety features and diagnostic systems. This file is engineered for vehicles with stock engine components and the 6-speed manual gearbox, making it the perfect upgrade for drivers seeking a reliable way to make their Fiat 500 more responsive and enjoyable to drive without compromising engine longevity.
You will experience sharper throttle response, smoother acceleration, and more flexible power delivery. Every modification has been carefully tested to ensure stability while retaining all factory safety features and diagnostic systems. This file is engineered for vehicles with stock engine components and the 6-speed manual gearbox, making it the perfect upgrade for drivers seeking a reliable way to make their Fiat 500 more responsive and enjoyable to drive without compromising engine longevity.
Overview Feature list Copyright info Releases (1)
| Parameter | Value |
|---|---|
| Producer: | Fiat |
| Series: | 500 |
| Model: | 1.3 JTD |
| Model Year: | 2015 |
| Type (Engine): | Turbo-Diesel |
| Displacement: | 1.3 L |
| Output: | 95 PS / 69.9 kW |
| Gearbox: | 6-Speed Manual |
| ECU Maker: | Marelli |
| ECU Build: | MJ9DF |
| ECU-Nr Prod: | 55283475 |
| ECU-Nr ECU: | HW000 |
| Software: | 4F42B222 |
| Checksum: | N/A |
| Eprom 8-Bit sum: | 4B9F |
| Nested Versions: | 1 modified version included (Stage 1) + Original for reference |
| Project Type: | Complete binary file |
| Details: | st1 |
| Project Size: | 4 194 304 bytes |
All tuning files were acquired through official EVC.de resellers and verified on a professional dynamometer. Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website. These files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without first confirming mechanical condition. The seller accepts no responsibility for misuse or non-compliant road use.