you mean $5g poorer... $10k is the 4.8i which I've said before isn't really worth the difference for just an engine and a couple other very minor aesthetic parts (not to mention you get to spend more on gas through the life of the vehicle too)... not for my uses anyway. $5g I would definitely go for... even the twin turbo gas. At times I wish I had leased this time just because I could get my hands on the latter soon, as well as the new idrive.

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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