BMW 330I 2019–2020 — technical service bulletin
Bulletin B511420 · NHTSA communication 10175277 · issued Apr 1, 2020
Technical service bulletin
communication type
Equipment
component
2019–2020
model years
3
vehicle entries
Official summary
RATTLE NOISE FROM DASHBOARD CENTER SPEAKER COVER: A rattle noise is present from the dashboard's center speaker cover. This may only occur during phone calls or with certain volumes/tones of music. Interference between the dashboard speaker cover and the dashboard.
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.