Originally Posted by andreo
Has any of you experienced your iPhone not enabled at car startup? I have an iPhone 4S attached to a Media Snap-in Adapter and intermittently, it is shown as disabled on the iDrive under External Devices. I need to pop the adapter up and reinsert before the iPhone gets recognized. Very odd.
Yes. Reseat your snap in adapter. (i.e., remove the snap in adapter and replace it using moderate force).
This should cure it for a while. When it fails again in three months follow this sane procedure again.