F36 - May/2016 ->
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Order This File Ask a QuestionThe BMW 4 Series GC 425d 224hp (F36 - May/2016 ->) produces 224bhp and 450Nm in standard form. Our Stage 1 ECU tuning file raises output to 270bhp and 500Nm, a gain of 46bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.