Originally Posted by ring007

Yep it's me.
I just picked up another set of the #214's (take off's from a '11 X6 with <100 miles on them) for the M (the M and X6 share the same rear hub size which is different than the non-M X5's) for winter (this setup with wheels, TPMS, and tires was the same cost as ordering just the (4) new wheels from the dealer). So now I have an extra set of the Dunlop Sport Maxx's.

Looks like the Pirelli Scorpions are the only option in 20" oem sizes for winter though.