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Guest
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HI, I have a 1997 328i and my heat isn't working properly. The blower works fine but will only blow cool air when I am in idle and blows hotter air when I am driving faster. Does that seem like a blower resistor that needs to be replaced? please help, winter is coming soon!
thanks, Cara __________________ This post was auto-generated based upon a question asked on our tech article page here: Pelican Technical Article: BMW Blower Resistor Replacement |
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05-17-2013, 12:58 PM
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Moderator
Join Date: Jul 2012
Location: New England
Posts: 3,189
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No, that sounds more like a coolant circulation problem. You could have a faulty heater valve or a restriction in the heater circuit.
- Nick |
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05-17-2013, 12:58 PM
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Registered
Join Date: Sep 2005
Location: Sacramento CA
Posts: 1,147
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Or air in the cooling system. Bleed the system. If it works well the first time and then starts messing up again, you are sucking air into the system when the car shuts off. That means a leak somewhere. Commonly caused by an expansion tank that is crumbling inside.
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05-18-2013, 05:30 AM
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