Question about BMW X5 Series

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I just had the blower motor relay changed. I still here the noise of a fan running at the bottom of the windshield after I have removed the key from the ignition. is there another fan moter that has to do with the recirc? it appears that this is the fan that is draining my battery and causing me to jump start the car lately.

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This is probably not a relay problem.
Blower motor resistor usually the cause of this.Very common.
Depending on year and model of your car the location of resistor may vary.
And yes it's draining the battery.
Resistor has another name - Final Stage Controller.

Posted on Aug 02, 2010

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