how much is absurd? For part, paint, install, I first got $3600 from one dealer and another said $2300 +tax. I went with the latter since I didn't want to deal with handling all the work 3rd party. Some have and got it done as low as $1500-$1700.

For this you must ask around for the best price since it seems to be a good way for dealers to make some money back.

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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