BMW X5 2014–2017 — technical service bulletin
Bulletin B510517 · NHTSA communication 10146580 · issued Mar 1, 2017
Technical service bulletin
communication type
Visibility
component
2014–2017
model years
4
vehicle entries
Official summary
THUMP AT END OF REAR WINDOW TRAVEL . When opening, a loud thump is heard as the rear window reaches the bottom of its movement. Window guide.
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.