Whistling Noise Coming from the Center Vent
BMW technical service bulletin B640915 for 2012-2016 BMW 328I, 2017 BMW 330I and 2012-2016 BMW 335I and others.
- Bulletin number
- B640915
- Component
- Equipment: appliance: air conditioner
- Summary
- Whistling Noise Coming from the Center Vent - A/C is Off . A very high pitched whistling or beeping noise is heard coming from the center vents. The flow of refrigerant through the expansion valve at certain temperature differentials.
Vehicles covered
- BMW 328I 2012-2016 20122013201420152016
- BMW 330I 2017 2017
- BMW 335I 2012-2016 20122013201420152016
- BMW 328D 2014-2017 2014201520162017
- BMW 428I 2014-2016 201420152016
- BMW 320I 2013-2017 20132014201520162017
- BMW 430I 2017-2018 20172018
- BMW 228I 2014-2016 201420152016
- BMW 435I 2014-2016 201420152016
- BMW 230I 2017-2018 20172018
- BMW M235I 2014-2016 201420152016
- BMW 340I 2016-2017 20162017
- BMW 440I 2017-2018 20172018
- BMW M240I 2017-2018 20172018
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