BMW i4 2022 — technical service bulletin
Bulletin B640822 · NHTSA communication 10228439 · issued Nov 1, 2022
Technical service bulletin
communication type
Visibility
component
2022
model years
2
vehicle entries
Official summary
The climate control system may be inoperative or perform irregularly. There may be: Lack of or irregular cooling power or air conditioning, No or poor heater output, Difference between left and right vent temperatures in the passenger area, Interference noises (clattering noise) coming from the electric A/C compressor (EKK).
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.