F32/33 - May/2016 - 2019
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Order This File Ask a QuestionThe BMW 4 Series 420d 163hp (F32/33 - May/2016 - 2019) produces 163bhp and 380Nm in standard form. Our Stage 1 ECU tuning file raises output to 220bhp and 440Nm, a gain of 57bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.