The Renault Koleos 1.7 Blue dCi 150hp (2017 - 2018) produces 150bhp and 340Nm in standard form. Our Stage 1 ECU tuning file raises output to 180bhp and 380Nm, a gain of 30bhp and 40Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.