Originally Posted by morfinx
The only problem is that you cannot use steering wheel controls.
True. You also wouldn't get auto-pause when you turn off the car or switch to a different audio source. Nor can you see the title/track/artist on the iDrive screen. All the little bonuses of AVRCP are lost.
Of course, if you don't hook up your phone to the USB/AUX ports because it's a pain to mess with, then you don't have any of these features either, so its not like you really "lose" anything...