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BMW TSB #B640821
2020 BMW M5
TSB Document:
Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
- Summary
- The air conditioning cycles from cold to warm air while driving or while at a stand still. The vent outlet temperatures vary by 25 degrees Fahrenheit or more (38 F to 60 F +) without changing any climate control settings.
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