Lighting - Third Brake Lamp Stress Cracks
SI B63 05 03Lights
March 2006
Technical Service
This Service Information bulletin supersedes S.I. B63 05 03 dated October 2003.
[NEW] designates changes to this revision
SUBJECT
Third Brake Lamp Cracked
MODEL
E85 (Z4) from SOP to October 2003 production
SITUATION
Excess spring tension caused by the 82N retaining
springs may cause stress cracks in the third brake
lamp.
CAUSE
Incorrect spring tension.
PROCEDURE
In case of customer complaint, when replacing the third brake lamp, replace the existing 82N springs with 40N springs plus an additional washer:
Temporarily hold the washer (3) in place on the spring
(1) using dum-dum (or equivalent) applied to the area
shown (2).
Using a nut driver, assemble the nut, spring and washer (1) to the lamp mounting stud through the trunk panel hole (2) as shown.
PARTS INFORMATION
Part Number Description Quantity
63 25 6 900 698 40N Spring 3
07 11 9 931 105 Washer 3
[NEW] WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty.
Defect Code Refer to KSD
Labor Operation: Refer to KSD
Labor Allowance: Refer to KSD
Disclaimer