F3x - 2011 - 2015
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Order This File Ask a QuestionThe BMW 3 Series 328i 245hp (F3x - 2011 - 2015) 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.