E60/61 - 2003 - 2010
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Order This File Ask a QuestionThe BMW 5 Series 535i 300hp (E60/61 - 2003 - 2010) produces 300bhp and 407Nm in standard form. Our Stage 1 ECU tuning file raises output to 370bhp and 500Nm, a gain of 70bhp and 93Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.