I just wanted to report that this work for both my 1st gen ULF in my 530 and the 389 ULF in my X5. I was concerned about not being able to transfer the address book. Another feature I like is that I can now tell the difference between Home Work and Mobile number on the MID. My V600 and V635 would simply display the name mutliple times. I am using the most recent firmware on the Treo....this site ROCKS!!!

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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