E65 - 2002 - 2008
Ready to order this tuning file? Access the ByteFlash Portal to place your order.
Order This File Ask a QuestionThe BMW 7 Series 740i 306hp (E65 - 2002 - 2008) produces 306bhp and 390Nm in standard form. Our Stage 1 ECU tuning file raises output to 335bhp and 425Nm, a gain of 29bhp and 35Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.