BMW 228I 2016–2021 — technical service bulletin
Bulletin B640416 · NHTSA communication 10184587 · issued Nov 1, 2020
Technical service bulletin
communication type
Equipment
component
2016–2021
model years
17
vehicle entries
Official summary
Water Ingress In Footwell Area From A/C Condensate Drain: Water Ingress In Footwell Area From A/C Condensate Drain. 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.