The BMW X5 xDrive45e 394hp (G05 - 2018 ->) produces 394bhp and 600Nm in standard form. Our Stage 1 ECU tuning file raises output to 500bhp and 800Nm, a gain of 106bhp and 200Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.