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BMW’s M3 and M4 getting all-wheel drive in August


BMW says it will offer the its first M3 and M4 performance vehicles for the first time with “M xDrive all-wheel drive” beginning in August 2021. The M3 sedan and M4 coupe will be powered by 3.0-liter inline 6-cylinder engines turbocharged to provide 503 horsepower and 479 pound-feet of torque.

“The additional traction will enable the full 479 lb.-ft. of torque to be used to a greater extent during both acceleration and dynamic driving,” BMW of North America said in the announcement.

Also arriving in August is the new M3

“The fully variable, rear-biased system distributes torque between the front and rear axles via an electronically controlled multi-plate clutch. An Active M differential takes care of torque distribution at the rear axle. Torque is directed to the rear wheels during normal driving, providing the classic rear-wheel drive experience. Only when additional traction is required, is torque sent to the front axle.”

BMW said the M xDrive and the Active M differential are directly connected to the vehicle’s dynamic stability control system “ensuring quicker responses in improving agility and controlling both understeer and oversteer. 

“The transfer case also features a unique control unit and integrated traction control. This enables it to compensate for any differences in rotational speed between the front and rear wheels quickly, without having to involve the central DSC computer. This results in enhanced all-wheel-drive performance in highly dynamic driving situations, such as powering through corners in a controlled drift.”

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