The Bentley Continental Flying Spur 6.0 TSI W12 635hp (2016 - 2019) produces 635bhp and 820Nm in standard form. Our Stage 1 ECU tuning file raises output to 665bhp and 880Nm, a gain of 30bhp and 60Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.