Audio - RAD2+ Audio Is Intermittently Inoperative

2010 BMW 335Cic Convertible (E93) L6-3.0L Turbo (N54) Technical Service Bulletin # 650111 Date: 110401

Audio - RAD2+ Audio Is Intermittently Inoperative

SI B65 01 11

2010 BMW 335Cic Convertible (E93) L6-3.0L Turbo (N54) 185

Audio, Navigation, Monitors, Alarms, SRS

April 2011

Technical Service

SUBJECT

RAD2+: Audio Is Inoperative Intermittently

MODEL

E82, E88 (1 Series)

E90, E91, E92, E93 (3 Series)

Vehicles produced from 09/2009 with option 663 (Radio BMW Professional, RAD2+) and option 676 (HIFI Loudspeaker System)

SITUATION

Intermittently there is no audio output afier 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.

Only after a sleep mode cycle will the radio operate correctly again.

CAUSE

Overvoltage spike during vehicle start-up

CORRECTION

Do not replace parts!

Connect a BMW approved battery charger and perform a vehicle test using the latest ISTA (Integrated Service Technical Application) diagnostic

software.

Diagnose any relevant faults to these control units that are stored by completing the test plans.

Reprogram the vehicle using ISTA/P 2.41.1 or later.

Note that ISTA/P will automatically reprogram and code all programmable control modules that do not have the latest software.

For information on programming and coding with ISTA/P, refer to CenterNet / Aftersales Business Development & Marketing Portal / Service

Operations /Workshop Technology/Vehicle Programming.

2010 BMW 335Cic Convertible (E93) L6-3.0L Turbo (N54) 186