Blower Final Stage Fan Resistor May Fail: BMW 525i Heating & Air Conditioning

Problem overview

The blower final stage fan resistor is known to fail. Symptoms are the heater fan speed varies regardless of the setting, the fan will not turn off when the car is switched off, or the fan will not switch on at all.

38 people reported this problem

22 comments

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BMW 525i vehicles with this problem

5 model years affected

Average mileage: 121,575 miles

(70,000 - 222,000)

Repairs related to this problem

Blower Motor Resistor Replacement

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Blower Final Stage Fan Resistor May Fail on BMW 525i

Problem overview

BMW 525i vehicles with this problem

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