The Volvo S40 1.9D 115hp (2000 - 2004) produces 115bhp and 265Nm in standard form. Our Stage 1 ECU tuning file raises output to 160bhp and 330Nm, a gain of 45bhp and 65Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.