The BMW 3 Series 328D 180hp (F3x - 2011 - 2015) produces 180bhp and 380Nm in standard form. Our Stage 1 ECU tuning file raises output to 270bhp and 500Nm, a gain of 90bhp and 120Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.