BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS DEACTIVATED: A buzzing noise is heard when the air...
BMW technical service bulletin B640420 for 2016-2020 BMW X1, 2016-2017 BMW X1 SAV and 2018-2021 BMW X2 and others.
- Bulletin number
- B640420
- Component
- Equipment: appliance: air conditioner
- 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.
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