The orange reflectors in the side panel in front of the front wheels. In my photo just above, they have been replaced by "space gray" ones but you can still see where they were.

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2008 X5 4.8i | Wheels: Summer> style 336 20" RFT; Winter> style 214 Ferric Grey 20" RFT | Aero kit | ESS E-Flash tune | V1 | LCI Rear Tail Lights | Coding completed | Engine replaced at 90K