FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Lighting - Third Brake Lamp Cracked

SI B 63 05 03
Lights

October 2003
Service Engineering

SUBJECT
Third Brake Lamp Cracked

MODEL
E85 (Z4) all vehicles to October 2003





SITUATION
Excess spring tension caused by the 82N retaining springs may cause stress cracks in the third brake lamp.

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