BMW 230I 2022–2023 — technical service bulletin
Bulletin B510423 · NHTSA communication 10235184 · issued Mar 1, 2023
Technical service bulletin
communication type
Structure
component
2022–2023
model years
6
vehicle entries
Official summary
Black resin is leaking from below the outside door handle(s).
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.