BMW Won't Make a New Z4 M Because the Math Ain't Mathin'
It’s been a long time since BMW offered up a real M-variant of its purest sports car – the Z4 – and, unfortunately, it looks like those of us who want one are going to have to just keep on waiting. The Z4 M was first introduced with the facelifted E85 Z4 all the way back in 2006. It stuck around for only three model…