BMW R 1250 GS Adventure 2016–2021 — technical service bulletin
Bulletin B640420 · NHTSA communication 10182621 · issued Oct 1, 2020
Technical service bulletin
communication type
Equipment
component
2016–2021
model years
13
vehicle entries
Official summary
BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS DEACTIVATED: A buzzing noise is heard when the air conditioning (A/C) is deactivated while the vehicle is in park or neutral. Prior to turning off the A/C, the system was functional and cooling properly. A/C compressor, or The power supply to the A/C compressor is too low.
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.