I got mine at a discount as well when I bought the tire protection (which has already paid for itself and have 3.5 years left). I did it mainly for the brakes as full brake job at my indy is $1,400. My calculation is I will need at least 2 rears done, 1 front (the next front will be close to the wire when the extended maintenance expires 8/12).

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2008 X5 4.8
Jet Black/Black Nevada/Dark Burl Walnut
Adaptive Drive
Premium Pack
Tech Pack
Climate Pack
Sport Pack
20" Wheel Option
Premium Sound
Sirius Satellite
Rear DVD Entertainment
Multi-Contour Seats
Comfort Access
3rd Row Seat
Heated Front Seats
Running Boards
3M VentureShield Paint Protection Film