The Toyota Corolla 2.0 D-4D 126hp (2007 - 2011) produces 126bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 150bhp and 370Nm, a gain of 24bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.