BMW 745I 2002 — technical service bulletin
Bulletin 260102 · NHTSA communication 10000606 · issued Nov 1, 2002
Technical service bulletin
communication type
Power Train
component
2002
model years
2
vehicle entries
Official summary
Whine noise from differential. *tt
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.