Why does the BMW 3 Series air conditioner suddenly stop blowing air?

1 Answers
StNathan
07/30/25 1:14am
BMW 3 Series air conditioner suddenly stops blowing air due to blower and blower fuse failure, blower resistor damage, or severely clogged air filter. Here are the relevant details: 1. Blower failure: The blower is the core component for air conditioning airflow. If damaged, the car air conditioner will stop blowing air. Possible causes of blower failure include overheating damage to internal coils or capacitor failure. 2. Air filter clogging: A clogged air filter is one reason for blocked air ducts. Outside air passes through the air filter before entering the car, trapping various airborne particles, which can easily cause blockages. You can remove the air filter to check if it is clean.
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