I actually thought about that the other day - most LCI E70s on the road, while having better engines overall, will not have adaptive drive. I don't think its image will suffer but it's something 2nd-hand buyers may not realize. I honestly don't know if I'd opt to pay $3500 for something like that after everything else went up in price too. I built one the way I would buy it today and it's almost $10k more than it was a couple short years ago.

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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