The BMW 3 Series 320D 150hp (E90/E91 - 2005 - 2010) produces 150bhp and 330Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 400Nm, a gain of 50bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.