The Renault Megane 1.5 DCi 80hp (2002 - 2008) produces 80bhp and 185Nm in standard form. Our Stage 1 ECU tuning file raises output to 105bhp and 235Nm, a gain of 25bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.