The BMW 3 Series 330i 272hp (E90/E91 - 2010 - 2011) produces 272bhp and 320Nm in standard form. Our Stage 1 ECU tuning file raises output to 292bhp and 345Nm, a gain of 20bhp and 25Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.