The Alfa Romeo 159 2.0 JTDm 140hp (2005 ->) produces 140bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 180bhp and 420Nm, a gain of 40bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.