The BMW 1 Series 125i (2.0T) 218hp (F40 - 2019 ->) produces 218bhp and 310Nm in standard form. Our Stage 1 ECU tuning file raises output to 270bhp and 440Nm, a gain of 52bhp and 130Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.