The Dacia Logan 1.4i 75hp (2004 - 2012) produces 75bhp and 112Nm in standard form. Our Stage 1 ECU tuning file raises output to 82bhp and 122Nm, a gain of 7bhp and 10Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.