The BMW 3 Series 320i 184hp (G2x LCI - 2024 ->) produces 184bhp and 300Nm in standard form. Our Stage 1 ECU tuning file raises output to 310bhp and 470Nm, a gain of 126bhp and 170Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.