BMW iX 2021–2022 — technical service bulletin
Bulletin B640823 · NHTSA communication 10242876 · issued Sep 20, 2023
Technical service bulletin
communication type
Equipment
component
2021–2022
model years
2
vehicle entries
Official summary
customer may state there is low air flow from the vents, but can hear the fan is on. Also, there are noCheck Control Messages or other any indications that there is a system or component malfunction. The low air flow has worsened over time.
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.