Thread: Why does my AC let in outside air???
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Old 10-09-2025, 03:48 PM
80stech 80stech is offline
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That fan pulls air in for the temp sensor (and possibly oxygen sensor) The older ones stuck out on the dash so were more obvious.
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1988 325is (purchased new) sold
2004 X5 3.0 2005 X3 2.5
2008 X5 3.0 (new to me)
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