As far as I understand it, you just push the center of the old rivets to pop them out. You'll need a new set of rivets of course. I believe it's a definite do-it-yourself job. I'm so tempted to get the 214s and do this as well. I really don't look forward to swapping them twice a year though. If only I didn't live in a snow state.

BTW, when you put the 214s on, do you bring them to any ole' shop like an STS/Goodyear ?

Morristown for flares and rivets: http://www.xoutpost.com/accessories-f...el-option.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