Lighting - Rear Light Failure Message Displayed
SI B 63 14 07Lights
January 2008
Technical Service
This Service Information bulletin supersedes SI B63 14 07 dated December 2007.
[NEW] designates changes to this revision
SUBJECT:
"Rear Light Failure" Displayed in Check Control
MODEL:
E92, E93 (3 Series)
Vehicles produced from August 31, 2006 to July 2, 2007.
SITUATION
"Rear light failure" is displayed in the check control and one of the brake force display lights is inoperative.
CAUSE
Light bulb failure or loose contact between light bulb and socket.
CORRECTION
Replace the faulty bulb and install updated bulb sockets.
In the case of a customer complaint, perform the following procedure.
[NEW] Depending on the version of the FRM (Footwell module) in the vehicle, check for the following fault codes:
^ A8C0 / 9320 "Brake force display right defective"
^ A8BF / 931F "Brake force display left defective".
Note:
The brake force display bulb and socket are located in the rear lamp housing located on the trunk lid.
If any of the listed faults are set, proceed as follows:
1. Remove the affected brake force display bulb and socket (1) per repair instruction RA 63 21 057.
2. Confirm that the brake force display bulb (1) is not blown. Use a 12 volt power supply if necessary.
3. If the bulb (1) is not found to be faulty, then replace both sockets (2) with updated P/N 63 21 7 207 528.
4. If the bulb (1) is found to be faulty, then replace the bulb with P/N 63 21 7 160 788 and both sockets (2) with P/N 63 21 7 207 528.
Note:
All vehicles produced prior to July 3, 2007, will need both sockets replaced, regardless of the condition of the bulb.
PARTS INFORMATION
WARRANTY INFORMATION
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