F32/33 - 2013 - 2016
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Order This File Ask a QuestionThe BMW 4 Series 428i 245hp (F32/33 - 2013 - 2016) produces 245bhp and 350Nm in standard form. Our Stage 1 ECU tuning file raises output to 280bhp and 430Nm, a gain of 35bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.