BMW X3 2019–2020 — technical service bulletin
Bulletin B010226 · NHTSA communication 11036388 · issued Aug 25, 2026
Technical service bulletin
communication type
Structure
component
2019–2020
model years
9
vehicle entries
Official summary
Rear Roof Antenna Shark Fin Cover Sealing Issue
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.