AC Schnitzer 4 Series

German tuning shop AC Schnitzer reveals a new aftermarket project based on the BMW 4 Series, including extra horsepower and aero upgrades

The AC Schnitzer performance upgrades for the M440i xDrive give a significant power boost: from 275 kW/374 HP/500 Nm to 309 kW/420 HP/600 Nm.

By Horatiu Boeriu • February 27, 2021