The Renault Megane 1.5 DCi 85hp (2008 - 2012) produces 85bhp and 200Nm in standard form. Our Stage 1 ECU tuning file raises output to 105bhp and 250Nm, a gain of 20bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.