The Fiat Croma 1.9 JTDm 150hp (2005 - 2008) produces 150bhp and 305Nm in standard form. Our Stage 1 ECU tuning file raises output to 185bhp and 385Nm, a gain of 35bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.