The BMW 3 Series 330i 245hp (G2x LCI - 2024 ->) produces 245bhp and 400Nm in standard form. Our Stage 1 ECU tuning file raises output to 310bhp and 470Nm, a gain of 65bhp and 70Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.