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      07-19-2019, 06:17 PM   #6
HDFEBREZE
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Drives: 2010 BMW 535XI
Join Date: Jun 2018
Location: WINDSOR, ONTARIO

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Quote:
Originally Posted by hassmaschine View Post
Have you had your windshield replaced?

there's a humidity sensor built into the window that controls the fan speed on auto. If it's broken, the fan will go crazy (up, down, up, down, up, down) on auto mode.
No, I haven't, but I did replace the humidity sensor last year. The fan inside the car works fine. It's the ac itself that isn't pumping cold air.
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