BMW Z4 2002–2009 — technical service bulletin
Bulletin SI-B72-02-09 · NHTSA communication 10030843 · issued Aug 1, 2009
Technical service bulletin
communication type
Seat Belts
component
2002–2009
model years
7
vehicle entries
Official summary
Bmw: belt tensioner harnesses. A repair harness for the front seat safety belt tensioners at the belt retractors may have been improperly installed. *pe
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.