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Old 09-11-2012, 05:16 PM   #1
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Join Date: Jan 2012
Location: Mississauga
Posts: 71
Climate control noises

When i start my car the climate control automatically turns on every time. When i turn it off it makes a wierd sound for about 5 seconds. Kinda sounds like a garage door opener or something lol. Is this something that requires attention or is it normal?
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Old 09-20-2012, 09:53 PM   #2
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I think what you're heating is the vent opening and closing.

But I could be wrong, its happened once before.
drive it like you stole it... or at least like someone else paid for it!
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Old 09-20-2012, 11:49 PM   #3
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i recall reading that every so many car start/stop cycles the vents inside will reposition themselves from full open to close. given they are electric i think it's just to ensure they are in the right positions.

conceivably they could get into the wrong position vs the controls itself.

long way of saying...absolutely normal. the noise however should be very faint. when u say loud like a garage door opener...i may guess the servo motors maybe ready to pass up to the servo motor grave yard. no clue on this..just my hypothesis...

mine were always very really had to listen for them by the air vents. in fact when you adjusted the vents you could hear them move. but very faint.
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Old 09-22-2012, 05:54 PM   #4
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Completely normal. Don't worry about it.
BMW...Now you're playing with power.
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climate control, e46

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