Lighting - Front LED Turns Signal(s) Inop./Malfunction
SI B 63 06 09
Lights
March 2010
Technical Service
This Service Information bulletin supersedes SI B63 06 09 dated May 2009.
[NEW] designates changes to this revision
SUBJECT
Front LED Turn Signal Not Working or Malfunctioning
MODEL
E90, E91 (3 Series) with Xenon headlights (option 522) and produced from July 31, 2008
SITUATION
Two situations are possible:
1. The front left and/or front right LED (Light Emitting Diode) turn signals do not work, either intermittently or permanently.
2. The LED turn signals on the vehicle side in question flash at a higher frequency, either intermittently or permanently. In the case of such a fault,
the Check Control message "Turn indicator defective" appears.
CAUSE
Faulty LED front turn signals or FRM (Footwell Module)
[NEW] CORRECTION
The problem has been integrated into ISTA diagnostics. Follow the diagnosis test plan, using the latest ISTA version.
In "Information Search", select the "Text Search" tab and search for "B6300" as the search term.
Select test plan "B6300_70040 - Turn indicator lights".
