Not to sidetrack, but you actually found these!?!?! After searching for 4 months for my 08 w.20s, I could not find a set and settled for the Toyo Proxies, although so far so great

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2008 X5 Black
Active vent. seat Package, Cold Weather Package
Premium Package, Premium Sound Package
Rear Climate Package, Sport Package w/ 20" wheels
Technology Package, Active Steering
Comfort Access system, Running boards
Comfort seats w/lumbar support, Heated front seats
Heated rear seats, Dark Bamboo wood trim
3rd row seat, Park Distance Control, Navigation system, Head-up Display, BMW Assist, HD radio, Satellite radio, Rear seat entertainment, iPod and USB adapter