Car Technology

BMW tests 720-plus-horsepower EV system in 5-Series

BMW on Tuesday revealed a 5-Series test mule powered by a 5th-generation electric drive system.

The electric drive system consists of an electric motor, transmission, and power control units, all of which are contained in the one housing. In the 5-Series mule, three of the systems, split two at the rear axle and one at the front, produce a combined output of more than 720 horsepower, or enough to accelerate the sedan from 0-60 mph in well under 3.0 seconds.

BMW strongly expressed that the test mule is purely for evaluation purposes and that there are no plans to launch an electric 5-Series just yet. We’ll see some of the tester’s technology shortly, though. The 5th-generation electric drive system will be fitted to the iX3 due in 2020, though sadly just one will be present in the SUV.

One of the specific areas of evaluation for the 5-Series test mule is how the electric motors can be used to individually control torque and the effect this has on handling. With its three drive systems, the 5-Series test mule is able to precisely control torque going to the front and rear axles as well as between the rear wheels.

BMW is already planning subsequent evolutions of the system, which it plans to develop with Jaguar Land Rover. The British automaker’s first application of the system could be the redesigned XJ, which is expected to arrive in 2020.



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