I have both the transmission software and the SMG wheel installed in my 530 and love it! I only have the I6. I can't even imagine how much fun it would be the 4.4 X5!

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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