Audio System - Surround Sound Malfunctions
SI B 65 08 06Sound System, Cruise, Alarms, Monitors
May 2006
Technical Service
SUBJECT
CCC with Top HiFi Loses Surround Sound after Navigation Announcement
MODEL
E90, E91 (3 Series) with SA 609 CCC Navigation
E60, E61 (5 Series) with SA 609 CCC Navigation
E63, E64 (6 Series)
Vehicles equipped with SA 677 (Top HiFi only)
Vehicles produced from March 1, 2006 or older vehicles programmed with Progman V21.x or later.
SITUATION
The customer has surround sound activated via the CID (Central Information Display) 5th menu in the Entertainment settings. The surround sound setting is deactivated after the first navigation voice instruction when route guidance is activated. In concert hall mode the changeover is hardly noticeable, but in theatre mode, there is a light crackling noise that is heard.
CAUSE
Audio system CCC (Car Communication Computer) software
PROCEDURE
Do not replace any parts. This service information will be updated as soon as a resolution is available.
WARRANTY INFORMATION
For information only.
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