BMW did. The SH-AWD system appears to be reactive, responding to slippage. The BMW system DPC not only works like xDrive, making adjustments before the driver even knows of a dangerous situation, but the article also states it can work even when the driver gets off the throttle midcorner. That sounds like a heckuva lotta fun.

I wanna drive an X6 just to see how brilliant it works, even if I don't like the concept behind it. xDrive is already brilliant.........this should be even more fun.