Instruments - Navigation Volume Too Low
SI B65 02 02Sound System, Cruise, Alarms, Monitors
June 2002
Service Engineering
SUBJECT
Navigation Volume Too Low
MODEL
E39, E46, E53 with Navigation System (Option 609). Vehicles produced from September 2001 until October 2001.
SITUATION
When a navigation announcement is made in "cassette" mode, the volume of the announcement is reduced approximately one half compared with the same announcement in "radio" mode.
CAUSE
Software error in the radio receiver.
CORRECTION
On a customer complaint basis only , replace the radio receiver. - refer to repair instructions "Removing and installing I replacing radio receiver (with board monitor)", RA 65 11 055.
PARTS INFORMATION
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.