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Order This File Ask a QuestionThe Bentley Continental GTC 4.0 TFSI V8 S 528hp (All) produces 528bhp and 680Nm in standard form. Our Stage 1 ECU tuning file raises output to 640bhp and 900Nm, a gain of 112bhp and 220Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.