Your Vehicle
Fiat 500 X 1.0 Firefly Turbo 120hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Power HP
Torque Nm
Power Graph
Fiat 500 X 1.0 Firefly Turbo 120hp: da 120 a 140HP
Remapping Fiat 500 X
MasterTuning is a leader in developing remapping for Fiat. La Fiat 500 X 1.0 Firefly Turbo 120hp può passare da 120 HP a 140 HP con un incremento di 20 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Fiat 500 X 1.0 Firefly Turbo 120hp
The Fiat 500 X 1.0 Firefly Turbo 120hp is equipped with a petrol engine that produces 120 HP and 190 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Fiat can achieve 140 HP (+17%) and 230 Nm (+21%).
Our Stage 1 tuning for the 500 X 2019 -> delivers an impressive gain of +20 HP and +40 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code 55282151 identifies this specific powerplant configuration. The Siemens/Continental GPEC4 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
The 500 X's petrol engine benefits significantly from professional ECU calibration. The result is a more responsive, enjoyable driving experience with improved power delivery throughout the rev range.
Technical Specifications — Fiat 500 X 1.0 Firefly Turbo 120hp
Factory technical data for the Fiat 500 X 1.0 Firefly Turbo 120hp (2019 ->), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | 55282151 |
|---|---|
| ECU / Control unit | Siemens/Continental GPEC4 |
| Fuel | Petrol |
| Compression ratio | 10.5 |
| Bore × stroke | 70.0 X 86.5 mm |
| Stock power | 120 HP · 190 Nm |
| Remapped power (Stage 1) | 140 HP (+20) · 230 Nm (+40) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Fiat 500 X.
Frequently Asked Questions - Fiat 500 X
How much power can I gain from remapping my Fiat 500 X?
With MasterTuning Stage 1, your Fiat 500 X 1.0 Firefly Turbo 120hp can gain +20 HP (from 120 to 140 HP) and +40 Nm of torque. This represents a 17% increase in power.
Is ECU remapping safe for the Fiat 500 X engine?
Yes, MasterTuning's remapping for the Fiat 500 X 1.0 Firefly Turbo 120hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the 55282151 engine.
Is the Fiat ECU remapping reversible?
Absolutely. The original factory calibration of your Fiat 500 X is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Fiat warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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