How can i get my air condtioner and heater to blow air through the vents? on 2000 BMW 528i

when i turn on my air conditioner or heater, no air is blowing through the vents. I turn the blower all the way to high and i can barely fill the cool or warm air flow through the vents.

by in Elk Grove, CA on September 13, 2012
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1 answer
ANSWER by , September 13, 2012
poss direction issue, is the air blowing always thru the defroster?