Audio System - Audio Intermittently Inoperative

2010 BMW 335Cic Convertible (E93) L6-3.0L Turbo (N54) Technical Service Bulletin # 650211 Date: 111201

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 start-up. 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 start-up

[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

2010 BMW 335Cic Convertible (E93) L6-3.0L Turbo (N54) 88

labor operations listed in KSD2.