Fiat 1.4 Multi-Air Tuning
Supported in 6 Fiat models, 2007+.

Fiat
15 supported 1.4 Multi-Air applications
Models With the Fiat 1.4 Multi-Air
All Supported Fiat 1.4 Multi-Air Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 124 Spyder | 2016+ | 170 hp | ECU Marelli 8GMF | AutoTuner | |
| 124 Spyder | 2016+ | 170 hp | ECU Marelli 8GMK | AutoTuner | |
| 124 Spyder | 2016+ | 140 hp | ECU Marelli 8GMK | AutoTuner | |
| 124 Spyder | 2016+ | 170 hp | ECU Marelli 8GMK.Fx | AutoTuner | |
| 124 Spyder | 2016+ | 140 hp | ECU Marelli 8GMK.Fx | AutoTuner | |
| 500L | 2012+ | 160 hp | ECU Marelli 8GMW | AutoTuner | |
| 500L | 2012+ | 160 hp | ECU Marelli 8GMC | AutoTuner | |
| 500X | 2014+ | 140 hp | ECU Marelli 8GMK | AutoTuner | |
| 500X | 2014+ | 140 hp | ECU Marelli 8GML | AutoTuner | |
| 500X | 2014+ | 140 hp | ECU Marelli 8GMK.Fx | AutoTuner | |
| Bravo | 2007+ | 140 hp | ECU Marelli 8GMK | AutoTuner | |
| Bravo | 2007+ | 140 hp | ECU Marelli 8GML | AutoTuner | |
| Bravo | 2007+ | 140 hp | ECU Marelli 8GMK.Fx | AutoTuner | |
| Punto | 2012+ | PHASE III | 135 hp | ECU Marelli 8GMF | AutoTuner |
| Punto EVO | 2010+ | 135 hp | ECU Marelli 8GMF | AutoTuner |
About Fiat 1.4 Multi-Air tuning
We tune the Fiat 1.4 Multi-Air in 15 applications across the 124 Spyder, 500L, 500X, Bravo, Punto, Punto EVO, from 2007+, in gasoline form, with stock outputs of 135-170 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Marelli 8GMC, Marelli 8GMF, Marelli 8GMK, Marelli 8GMK.Fx, Marelli 8GML, Marelli 8GMW.
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.
