Can a blower motor resistor fail in a BMW?

If the resistor isn’t working properly, then you’ll experience concerning and inconvenient symptoms in your BMW’s cabin. While blower motor resistor failure isn’t unique to BMWs, they still tend to experience them more than some other vehicles.

Why is my furnace or AC blower not working?

Furnace or AC Blower Motor Not Starting or Working! Top 10 Reasons Why! – YouTube If playback doesn’t begin shortly, try restarting your device.

What does the resistor on a blower motor do?

The system requires a motor, called the blower motor, which powers the fan utilized to propel air from your cabin vents. The blower motor resistor controls the speed of the blower motor indirectly by relaying electrical current to the blower motor control module.

What are the symptoms of a failed blower motor resistor?

Blower motor resistor problems. Problems with a blower motor resistor are common in many cars. The most common symptom of a failed blower motor resistor is when the heater fan only runs at high speed and doesn’t work at low speeds.

What happens if you have a bad blower motor?

The blower motor is the component responsible for pushing air through the vents of your vehicle’s heating and air conditioning systems. Without it, the AC system will not be able to circulate any heated or cooled air.

What to do if your blower motor relay is failing?

For this reason, if you suspect that your blower motor relay is having a problem, have the vehicle’s AC system diagnosed by a professional technician from YourMechanic. They will be able to determine if the car will need a blower motor relay replacement, or a different repair, to bring full functionality back to your AC system.

Why does my Chevy Silverado blower motor not run?

If the blower motor runs when all of the terminals were jumped together, it means the circuit between the resistor connector and blower motor is fine as well as the blower’s motor relay, but the blower resistor is bad and needs to be replaced.