The BMW 1 Series 118i (1.5T) 140hp (F40 - 2019 ->) produces 140bhp and 220Nm in standard form. Our Stage 1 ECU tuning file raises output to 170bhp and 300Nm, a gain of 30bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.