The BMW 3 Series 328i 193hp (E46 - 1998 - 2005) produces 193bhp and 280Nm in standard form. Our Stage 1 ECU tuning file raises output to 209bhp and 305Nm, a gain of 16bhp and 25Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.