BMW i3 2014–2018 — technical service bulletin
Bulletin B511919 · NHTSA communication 10164003 · issued Jul 1, 2019
Technical service bulletin
communication type
Structure
component
2014–2018
model years
5
vehicle entries
Official summary
SQUEAKING NOISE WHEN OPERATING THE SIDE WINDOWS: A squeaking noise is heard when operating either side window. Interference between the side window glass and the B-Pillar seal.
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.