The first all-wheel drive BMW M4 Convertible with xDrive is powered by a 503 horsepower inline six-cylinder M TwinPower Turbo engine mated to an eight-speed M Steptronic transmission with Drivelogic and the M xDrive all-wheel drive system. The new M4 Competition Convertible with xDrive has 59 more horsepower and is 4.6 inches longer than the model it replaces with the wheelbase extended by1.8 inches and width by 0.7 inches. The new M4 Competition Convertible with xDrive is also 1.4 inches wider than the new 4 Series Convertible. Opening and closing the roof takes 18 seconds and can be performed at up to 31 mph. EFFICIENT, SPORT and SPORT PLUS settings can be engaged to modify the engine’s characteristics, while selecting the COMFORT, SPORT or SPORT PLUS chassis mode provides access to the three settings for the electronically controlled dampers. BMW M4 Convertible with xDrive arrives in October.
