The BMW 1 Series 125D 211hp (1995cc) (F20 - 2011 - 2015) produces 211bhp and 450Nm in standard form. Our Stage 1 ECU tuning file raises output to 270bhp and 500Nm, a gain of 59bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.