BMW X1 2016–2017 — technical service bulletin
Bulletin B640916 · NHTSA communication 10151330 · issued May 1, 2016
Technical service bulletin
communication type
Equipment
component
2016–2017
model years
4
vehicle entries
Official summary
Foul Odor when Switching On A/C. May be a foul smell (musty, rotten, and vinegary) when the A/C is first turned on that lasts about five minutes.Micro-filter position too low in the IHKA housing. Micro-filter position too low in the IHKA housing.
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.