Blower Motor Resistor 64116918873 For BMW E65 E66

Signals that the blower regulator needs to be replaced include the following aspects:

1. Unstable air volume: If it is found that the air volume in the air conditioning system cannot be adjusted stably, it may be that there is a problem with the blower regulator and it needs to be replaced.

2. The temperature can't be adjusted: If the temperature of the air conditioning system can't work normally, it may be that the blower regulator is faulty and needs to be replaced.

3. Fixed air outlet direction: If it is found that the air outlet direction in the air conditioning system cannot be adjusted, it may be that the blower regulator is invalid and needs to be replaced.

4. Abnormal sound: If you hear abnormal noise or vibration when using the air conditioning system, it may be that the internal parts of the blower regulator are damaged and need to be replaced.