The BMW 3 Series 325D 204hp (E90/E91 - 2010 - 2011) produces 204bhp and 430Nm in standard form. Our Stage 1 ECU tuning file raises output to 300bhp and 600Nm, a gain of 96bhp and 170Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.