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December 1, 2020 Service bulletin

?A/c cooling intermittent reduction of air flow:

BMW technical service bulletin B640613 for 2012-2016 BMW 328I, 2017-2020 BMW 330I and 2012-2017 BMW 335I and others.

Bulletin number
B640613
Component
Equipment
Summary
?A/C COOLING INTERMITTENT REDUCTION OF AIR FLOW: Customer may complain of reduced air flow when the air conditioning system is operated for an extended time, usually longer than 30 minutes. The evaporator starts to freeze up.

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