BMW 330I 2019–2020 — technical service bulletin
Bulletin B541619 · NHTSA communication 10171493 · issued Jan 1, 2020
Technical service bulletin
communication type
Visibility
component
2019–2020
model years
3
vehicle entries
Official summary
CLICKING NOISE FROM ROLLER SUNSHADE: When driving over rough road surfaces a clicking noise is present from the area of the roller sunshade of the sunroof. Insufficient grease for the roller sunshade mechanism allowing excessive movement inside the sunshade guide rail.
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.