BMW 228I 2016–2021 — technical service bulletin
Bulletin B640416 · NHTSA communication 10212525 · issued Feb 1, 2022
Technical service bulletin
communication type
Equipment
component
2016–2021
model years
16
vehicle entries
Official summary
Customer complains of musty odor or damp front footwell carpet.
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.