BMW M spied testing quad-motor electric powertrain

BMW has committed itself to electric mobility, and that committment extends to the automaker’s BMW M performance division. The BMW hot house has already introduced the i4 M50, i5 M60, iX M60, and i7 M70 M Performance models, but for the main course—i.e. a dedicated M car—it is exploring a major step up in performance. BMW M as early as…