2019 ->
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Order This File Ask a QuestionThe BMW X3 M 3.0 xDrive Steptronic 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.