The Bentley Bentayga 6.0 W12 Bi-Turbo 608hp (2016 - 2019) produces 608bhp and 900Nm in standard form. Our Stage 1 ECU tuning file raises output to 680bhp and 1050Nm, a gain of 72bhp and 150Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.