Audio System - Interference While Vehicle Is In Motion
SI B 65 02 09Audio, Navigation, Monitors, Alarms, SRS
January 2009
Technical Service
SUBJECT
Audio Interference Noises in All Modes When Vehicle Is in Motion
MODEL
E82* (1 Series)
*with option 677 (HiFi Professional Loudspeaker System)
Vehicles produced from September 25th, 2007 to August 31st, 2008
SITUATION
Only while the vehicle is in motion, interference noises can be heard from the bass loudspeakers, regardless of the audio source (radio, CD, AUX, USB, etc.).
CAUSE
Audio output setting in the Top-HiFi amplifier
CORRECTION
In the case of a customer complaint, perform diagnosis using BMW diagnostic equipment. Follow any related test plan. Program and code the vehicle with ISTA/P 2.32.1 or later.
Note that ISTA/P will automatically reprogram all programmable control modules that do not have the latest software.
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.
Disclaimer