G32 - 2017 ->
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Order This File Ask a QuestionThe BMW 6 Series GT 640D 320hp (G32 - 2017 ->) produces 320bhp and 680Nm in standard form. Our Stage 1 ECU tuning file raises output to 400bhp and 800Nm, a gain of 80bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.