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      08-27-2014, 01:19 AM   #15
Ray knight
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Drives: LBB F85 X5M
Join Date: Aug 2014
Location: NE Ohio

iTrader: (1)

Well my F10 M5 rides just as well on the 20s as my X5 rides on 19s. And those are lower profile tires on the M5 so i'd say on the X5 20" or 21" will ride just fine. Not for winter though! Smaller wheel/bigger tire is always best for snow.
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