Audio System - Interference on All Radio Bands
SI B 65 03 08Audio, Navigation, Monitors, Alarms, SRS
March 2008
Technical Service
SUBJECT
Interference with Radio Reception on all Bands (FM, AM, HD Radio)
MODEL
E60, E61 (5 Series)*
E90, E92, E93 (3 Series)*
*with option 609 (CCC), option 6UH (RTTI) and option 653 (HD Radio/IBOC)
Vehicles from July 5th, 2007 to October 11th, 2007.
SITUATION
The customer may complain of interference while listening to the radio in AM, FM or HD Radio mode. Fault code A52B is stored in the IBOC (HD Radio) module.
CAUSE
The IBOC aerial antenna splitter may have a loose contact on the AM/FM signal connector (short right angle connector) going to the IBOC radio antenna input on the module.
CORRECTION
Verify the customer's complaint.
Replace the IBOC antenna splitter.
PARTS INFORMATION
Note:
Parts stock has been cleared. The improved BOC antenna splitter is marked with a blue dot.
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.
Disclaimer