The Renault Megane 1.6 dCi 165hp (2016 - 2020) produces 165bhp and 380Nm in standard form. Our Stage 1 ECU tuning file raises output to 180bhp and 420Nm, a gain of 15bhp and 40Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.