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October 1, 2020 Service bulletin

BUZZING NOISE IS HEARD WHEN AIR CONDITIONING IS DEACTIVATED: A buzzing noise is heard when the air...

MINI technical service bulletin M640120 for 2014-2021 MINI Cooper, 2014-2017, 2019-2021 MINI Cooper S and 2017 MINI Clubman and others.

Bulletin number
M640120
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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