I swapped my 4 spoke to a 3 spoke SMG wheel on my E39. The procedure is almost the same for X5. Needed a new airbag, wheel and slipring along with 2 hours of time.

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2011 550xi Carbon Black/Oyster, M-Sport, Premium Package, Technology Package, Electronic Damper Control, Dynamic Drive, Comfort Access, Active Seats, Surround Cameras

2013 X5 5.0 Space Grey/Black, M-Sport, Premium Package, Technology Package, Comfort Access, Surround Cameras