The Volvo S40 1.6D 109hp (2004 - 2007) produces 109bhp and 240Nm in standard form. Our Stage 1 ECU tuning file raises output to 134bhp and 295Nm, a gain of 25bhp and 55Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.