M440i G22

The BMW M440i G22 features turbocharged B58 3.0-liter inline six-cylinder producing 382 horsepower (285 kW) and 369 lb-ft torque with 48-volt mild-hybrid system generating additional 11 horsepower through eight-speed automatic transmission and xDrive all-wheel-drive (or optional rear-wheel-drive) achieving 0-60 mph in 3.9 seconds with launch control and electronically limited 155 mph top speed. Mild-hybrid 48V electrical architecture provides additional acceleration thrust while reducing engine load during light-duty operation improving efficiency and enabling enhanced start-stop functionality.

M440i represents M Performance positioning between standard 4-Series and full M4 specification, offering genuine sports car acceleration with daily-driver refinement and practical coupe or Gran Coupe four-door body styles. The B58 turbocharged inline-six maintains traditional BMW straight-six configuration while adopting forced induction for contemporary performance and emissions compliance, with rear-biased xDrive all-weather capability compromising pure rear-drive handling dynamics preferred by enthusiast community though improving accessibility and year-round usability compared to RWD-only M4 variant requiring advanced driving technique managing 503 horsepower through rear wheels alone.