I am trying right now(Droid) and I am not having any success. The red light is on next to the
tel switch. I had a dead battery awhile back and it hasnt worked well since.
I have yet to get them to pair. The instructions aren't very good in my book and I dont have a cradle built in phone, just my pocket droid.
I have the person with the mouth button on my stereo and I dont have nav on the X5 4.8is

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2011 X5M
2006 X5 4.8is
2009 Porsche 911 PDK