The Volkswagen Golf 2.0 SDI 75hp (Mk5 - 2003 - 2008) produces 75bhp and 140Nm in standard form. Our Stage 1 ECU tuning file raises output to 90bhp and 160Nm, a gain of 15bhp and 20Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.