Entertainment/Cell Phone - Intermittently Inoperative
SI B65 09 11
Audio, Navigation, Monitors, Alarms, SRS
November 2011
Technical Service
SUBJECT
Entertainment and Communication Systems are Inoperative Intermittently
MODEL
All vehicles with option 6FL (USB Audio Interface) and without option 6VC (Control Combox)
SITUATION
The entertainment and communication Systems are intermittently inoperative when a USB device (e.g. MP3 player, USB stick) is connected during
vehicle start up. All functions are restored afier turning the ignition off and back on.
CAUSE
Overvoltage error caused by a non-supported USB device connected to the USB audio interface.
INFORMATION
Do not replace parts and do not perform a repair attempt.
Verify the complaint with the customer owned USB device and the customer present.
Explain to the customer that the non-approved USB device is causing this behavior.
For more information on the USB audio interface and BMW approved USB devices, please refer to the Service Information B65 08 07.
