Thinking this out... the 335d gets 27mpg combined, 10mpg+ more than my 15mpg clunker SUV, and it is under $45k to start which means I could do the cash for clunkers for another $4500 on top of this eco-credit from BMW? $9k off a brand new car? Yes please.

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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