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-   -   heater vents (http://www.bimmerfest.com/forums/showthread.php?t=664772)

fryntyr 12-18-2012 01:43 PM

heater vents
 
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

BMR_LVR 12-18-2012 03:19 PM

Quote:

Originally Posted by fryntyr (Post 7257905)
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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