Thread: heater vents
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Old 12-18-2012, 03:19 PM
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BMR_LVR BMR_LVR is offline
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Location: Asheboro, NC
 
Join Date: Dec 2008
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Mein Auto: 1992 525i
Quote:
Originally Posted by fryntyr View Post
Ok, thanks for all the help and hints as I worked out my engine issue. Now that I think it is good, time to work towards getting the heater vents to work properly.

I assume there are shutter doors that open and close to redistribute the air. I hear the blower motor going well but not much air coming through. When I move the selector to defrost windshierld, I hear it change but it doesn't change enough to blow much air to the windshild. In fact, no matter what I select, not much air comes out of any vent.

Are these electric or cable actuated doors. Any ideas?

91 525I

Thanks
Your cabin filter may be clogged. It is common and will severely restrict the flow of air through all vents.

Here is one of several DIY write ups on it:

http://bmw4life.com/microFilter.htm

Hope this helps.
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Quote:
Originally Posted by noego View Post
It's Deja Poo - as in, I've heard this **** before.
Steve

Calypso Red 1992 525i with 200K miles

1991 735i - Sold
1992 525i - Sold
1995 325is - Sold
2000 528i - Sold

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