The BMW 5 Series 530D 231hp (E60/61 - 2003 - 2010) produces 231bhp and 500Nm in standard form. Our Stage 1 ECU tuning file raises output to 280bhp and 620Nm, a gain of 49bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.