Fiat 500X Tuning

18 supported Fiat 500X applications, 2014+.

Fiat

18 supported 500X tunes

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All Supported Fiat 500X Tunes

Supported Fiat 500X engines and controllers
1.3T Firefly GPF2022+150 hpECU Continental GPEC4LMAutoTuner
1.5 GSE T42022+150 hpECU Continental GPEC4LMAutoTuner
1.0T Firefly GPF2014+120 hpECU Continental GPEC4LMAutoTuner
1.3 GSE T42014+150 hpECU Continental GPEC4LMAutoTuner
1.3 Mjet EU62014+95 hpECU Marelli MJD9DFAutoTuner
1.4 Multi-Air2014+140 hpECU Marelli 8GMKAutoTuner
1.4 Multi-Air2014+140 hpECU Marelli 8GMLAutoTuner
1.4 Multi-Air2014+140 hpECU Marelli 8GMK.FxAutoTuner
1.4 T-Jet EU62014+120 hpECU Bosch ME17.3.0AutoTuner
1.6 E-Torq2014+110 hpECU Marelli 9GFAutoTuner
1.6 JTDm EU52014+120 hpECU Bosch EDC17C69AutoTuner
1.6 JTDm EU52014+120 hpECU Bosch EDC17C49AutoTuner
2.0 JTDm2014+140 hpECU Bosch EDC17C49AutoTuner
2.0 JTDm2014+140 hpECU Bosch EDC17C79AutoTuner
2.0 JTDm2014+140 hpECU Bosch EDC17C49AutoTuner
2.4 Multi-Air2014+180 hpECU Continental GPEC2AAutoTuner
2.4 Multi-Air2014+180 hpECU Continental GPEC2AutoTuner
2.4 Multi-Air2014+180 hpECU Continental GPEC3AutoTuner

Other Fiat Models

See all Fiat models

About Fiat 500X tuning

Rapid Racing supports 18 Fiat 500X applications from 2014+ through AutoTuner, with stock outputs up to 180 hp. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan.

Supported engines: 1.0T Firefly GPF, 1.3 GSE T4, 1.3 Mjet EU6, 1.3T Firefly GPF, 1.4 Multi-Air, 1.4 T-Jet EU6, 1.5 GSE T4, 1.6 E-Torq, 1.6 JTDm EU5, 2.0 JTDm, 2.4 Multi-Air.

Supported controllers: Bosch EDC17C49, Bosch EDC17C69, Bosch EDC17C79, Bosch ME17.3.0, Continental GPEC2, Continental GPEC2A, Continental GPEC3, Continental GPEC4LM, Marelli 8GMK, Marelli 8GMK.Fx, Marelli 8GML, Marelli 9GF, Marelli MJD9DF.

Don't See Your Vehicle?

These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.