The BMW X4 M 3.0 xDrive Competition 510hp (2019 ->) produces 510bhp and 600Nm in standard form. Our Stage 1 ECU tuning file raises output to 575bhp and 720Nm, a gain of 65bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.