I got the bumper bully but have only used it once in Brooklyn. I just don't drive it out there as the real option. It's a couple of hanging straps, and can easily be messed with, but I'm not gonna go strap on a full-bumper kind of thing. I'm mostly concerned about the aero kit.

http://www.xoutpost.com/645521-post7.html

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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