The BMW 3 Series 330d 265hp (G2x - 2019 ->) produces 265bhp and 580Nm in standard form. Our Stage 1 ECU tuning file raises output to 310bhp and 720Nm, a gain of 45bhp and 140Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.