The Fiat 500 L 1.4 T-jet 120hp (2012 ->) produces 120bhp and 215Nm in standard form. Our Stage 1 ECU tuning file raises output to 160bhp and 280Nm, a gain of 40bhp and 65Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.