BMW X3 2015–2016 — technical service bulletin
Bulletin B512915 · NHTSA communication 10145297 · issued Jun 1, 2018
Technical service bulletin
communication type
Structure
component
2015–2016
model years
4
vehicle entries
Official summary
SERVICE ACTION: REAR SIDE WINDOW: Both rear side fixed windows need to be replaced due to incorrect glue application, this may cause a water leak.
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.