Its a glitch, mine just arrived and it showed on the build sheet but its not on the car.

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2013 X6 50i with Luxury seating, HUD, Premium Package, Premium Sound, Cold Weather Package, Space Saver Spare,3 seats, BMW Apps.
Former "10 X6 35i, Space Grey, Cold Weather, Sport Package with 20",Sport Activity Package, Premium, Comfort Seats, Technology Package. (Buyback)
Former '04 X5 4.4i,
Former '03 X5 3.0 (Stolen)
Former '01 X5 3.0 (Lemoned)
Former 1998 Range Rover 4.6HSE
Former 1995 Isuzu Trooper LS 3.0