The BMW 6 Series 630i 272hp (E63 - 2004 - 2010) produces 272bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 285bhp and 330Nm, a gain of 13bhp and 30Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.