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Old 10-08-2012, 01:03 AM   #8
PH03NIX46
Registered User
 
Join Date: May 2010
Location: Vermont
Posts: 1,124
My Ride: '03 M3
If your exterior temperature sensor (located underneath the front bumper) is broken, then get it replaced.
Since your fan works...check to see if the A/C needs refilling?

Otherwise, I'd suspect you've got a leak. Best to bring it to someone who can find it faster than you.
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