BMW Z4 2002–2010 — technical service bulletin
Bulletin SIB-63-14-10 · NHTSA communication 10041281 · issued Nov 1, 2010
Technical service bulletin
communication type
Exterior Lighting
component
2002–2010
model years
9
vehicle entries
Official summary
Bmw: the rear lamp is not water tight due to cracks due to stress. Water may enter the lamp. *rm
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.