A/C keeps turning on by itself
#14
I just fixed this issue by taking the whole ac controller apart and having some thin foam near the knobs. The controls are loosely house. I also rebent the contact points. So far so good my ac is now not turning on itself.
#15
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Join Date: Mar 2011
Location: Northern California
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My Ride: 2008 535i
i was under the impression that this was caused by our automatic climate control systems. i.e. the climate control was sensing too much or too little humitdy etc. Boy was i wrong.
#17
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Join Date: Jun 2011
Location: US
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My Ride: E60 550i
Model Year: 2010
In the manual it says cool is turned on when you are in auto mode. See "Switching Cooling On and Off" section. Page 117 in 2009 manual. It is done to avoid condensation.
#18
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Join Date: Dec 2004
Location: Winter Park, FL
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My Ride: 2005 545i (SMG)
Titanium Gray
Black Interior, Anthracite Trim
M-tech kit
Sport Package
Premium Sound
Satellite Radio
Active Cruise
Comfort Seats
Navigation
Folding rear seats
This happens to my car, too. Noticed it just recently because I never run the heat since I live in Florida, but during winter months I do turn off the system every once in a while. When it turned back on twice, I thought my car was possessed.