BMW is testing a four-motor layout for performance EVs

BMW M electric drivetrain test muleBMW is testing a four-motor powertrain for future M performance EVs, the automaker announced Wednesday in a press release. The automaker has already introduced diet M Performance i4 M50 and iX M60 models, but not a dedicated electric M model that pulls out all the stops. The prototype powertrain—revealed an i4 development mule—hints at…