Could ask them to do a video or Skype or get a local BMW tech to look it over and shoot some smart phone footage. Much easier to tell condition than pictures. I have made a sight unseen purchase based on documentation and inspection by local enthusiast. Was a little scary but I was glad I did when it backed out of the truck.

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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
Dallas