BMW 4 Series 2022–2024 — technical service bulletin
Bulletin B511823 · NHTSA communication 11006732 · issued Aug 27, 2024
Technical service bulletin
communication type
Structure
component
2022–2024
model years
4
vehicle entries
Official summary
A groaning noise is heard from the trunk whendriving on rough roads.
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.