^ in the interests of accuracy... aren't those the X5/X6 "performance wheels" and not the X6M specifically? ShopBMWUSA.com: BMW Performance Wheel Style 375 Wheel and Tire Set

The style 300M 5-spokes from the previous page are the X6Ms.

And here are the X5M wheels.

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'08 X5 3.0si - Alpine White / Saddle Brown interior
Specs: Sport Pkg, Premium Pkg, Tech Pkg, Comfort Access, Aero Kit, Style 433 staggered 20s on Conti DWS
Mods: Carbon 35 tint, LED angel eyes, GP Thunder 7500k fogs, H&R 20mm/25mm spacers, clear reflectors, gunsmoke-tinted taillights
Coded: Digital speedo, windows/sunroof/tailgate close via keyfob

X5 pics at Flickr