Go get the latest firmware in order to do so. They introduced it in '08. Hopefully they'll do it for you otherwise you'll have to make up an excuse like your steering wheel doesn't always telescope or [for me] I get a bump when releasing the brakes at a red light.

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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