I was completely underwhelmed by the E70 interior when I first got in it, then realized it was all about the idrive. The Cayenne interior looks a lot like the Audi MMI system, which I thought was waaaaay too many buttons. There'd be 2 ways to do many things, both are buttons *somewhere*. I do like the idrive system but I don't fault the other one, and in my opinion, neither is "better", but one thing the new BMWs have going for it is the new idrive which feels at least 5x faster than the one in my '08. I would love to have that system today... that is certainly not outdated.

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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