The Renault Master 2.3 DCI BiTurbo 135hp (2014 - 2016) produces 135bhp and 340Nm in standard form. Our Stage 1 ECU tuning file raises output to 195bhp and 420Nm, a gain of 60bhp and 80Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.