The BMW 3 Series 325i 192hp (E46 - 1998 - 2005) produces 192bhp and 245Nm in standard form. Our Stage 1 ECU tuning file raises output to 200bhp and 272Nm, a gain of 8bhp and 27Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.