MINI Cooper 2017–2020 — technical service bulletin
Bulletin M410120 · NHTSA communication 10179829 · issued Aug 1, 2020
Technical service bulletin
communication type
Structure
component
2017–2020
model years
8
vehicle entries
Official summary
CRACKING NOISE FROM A-PILLAR: When driving over rough road surfaces, a cracking noise can be heard from either or both lower A-Pillars near the bottom corners of the windshield. Interference between 2 sheet metal panels.
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.