Vehicle: All Technical Service Bulletins
Audio System Audio Intermittently Inoperative
SI B65 02 11
Audio, Navigation, Monitors, Alarms, SRS
December 2011
Technical Service
This Service Information bulletin supersedes SI B65 02 11 dated August 2011.
[NEW] designates changes to this revision
SUBJECT
RAD2: Audio Is Intermittently Inoperative
MODEL
E82, E88 (1 Series)
E90, E91, E92, E93 (3 Series)
Vehicles produced between 09/2007 and 09/2009 with option 663 (Radio BMW Professional, RAD2) and option 676 (HIFI
Loudspeaker System)
SITUATION
Intermittently there is no audio output after vehicle startup. The radio is working.
^ The AM/FM radio station, CD or AUX is displayed correctly.
^ The backlight is on.
^ All buttons on the radio are working.
Switching the audio mode and/or the radio off/on or performing any other selection will not resume audio functionality.
The radio will only operate correctly again after a sleep mode cycle.
CAUSE
Overvoltage spike during vehicle startup
[NEW] INFORMATION
The corrective measure has been integrated into the latest version of ISTA diagnostics.
[NEW] CORRECTION
Refer to ISTA diagnosis for the required repair procedure. Perform the recommended steps in the test plan
B6512_WASRAD2 RAD2 Fault patterns relevant to this complaint.
[NEW] WARRANTY INFORMATION
Eligible repairs are covered under the terms of the BMW New Vehicle/SAV Limited Warranty. Claim this work with the
applicable defect code and labor operations listed in KSD2.
