F3x LCI - 06 / 2015 - 2019
Ready to order this tuning file? Access the ByteFlash Portal to place your order.
Order This File Ask a QuestionThe BMW 3 Series 340i xDrive 326hp (F3x LCI - 06 / 2015 - 2019) produces 326bhp and 450Nm in standard form. Our Stage 1 ECU tuning file raises output to 380bhp and 520Nm, a gain of 54bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.