The BMW 5 Series 518D 136hp (1995cc) (F10/11 - 2010 - 2016) produces 136bhp and 360Nm in standard form. Our Stage 1 ECU tuning file raises output to 220bhp and 440Nm, a gain of 84bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.