BMW 330I 2017–2019 — technical service bulletin
Bulletin B640119 · NHTSA communication 10154859 · issued Feb 1, 2018
Technical service bulletin
communication type
Visibility
component
2017–2019
model years
15
vehicle entries
Official summary
DEACTIVATION OF THE AUTOMATIC AIR RECIRULATION. Customer request for deactivation of the automatic air recirculation function.
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.