Car Problem Reports

BMW 528i Blower Final Stage Fan Resistor May Fail

BMW 528i Problem
13 Reports
Me Too

Model Years Affected: 1997, 1998, 1999, 2000

Average Mileage: 117,531 mi (63,000 mi - 250,000 mi)


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.

  • , , 80,000 mi

    Blower motor worked erratically, then gave up entirely. BMW dealer mechanic said this is common for the vintage.

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  • , , 133,720 mi

    Same symptoms as described. Replaced FSU/Blower Motor Resistor and problem seems to be solved. Made the repair myself. Part cost $67 at an import car parts store. Net savings of $183 from dealer costs (labor & parts).

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  • ,

    Fan flows at full blast. Dealer fix under warranty

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  • , , 106,000 mi

    heater motor under hood runs and drains battery after engine shut off.. resets of computer by battery disconnects with turn off of heater fan stops this but is very inconvenient

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  • , , 120,000 mi

    blower fan speed increases and decreases eratically. went away after the internal resistor was replaced.

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  • , , 63,000 mi

    Fan motor stopped working. Replaced the final stage fan resister and everything working again.

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  • , , 250,000 mi

    The blower will not come on at all. It's hot outside here in South Carolina and I need help fast. How can I fix this.

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