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AC issues......is this normal?

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Old 05-27-2008, 03:13 PM
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Today made the 3rd time that my car did not respond to hitting the "max" ac button, lowering the temp, or increasing the fan speed manually. When it was in the shop last week the dealership could not duplicate. The problem is intermittent. It did respond to increase in temperature ( heat came on when I raised the temp as high as it would go).
Put it backon 70 and within a few minutes it worked as it should.

Has anyone else had this problem? Is it typical. Does the car need to think abot what I want for a few mintes before it responds.

Any advice or direction would be greatly appreciated.
Old 05-27-2008, 03:42 PM
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Originally Posted by Martin525i' post='589549' date='May 27 2008, 06:13 PM
Today made the 3rd time that my car did not respond to hitting the "max" ac button, lowering the temp, or increasing the fan speed manually. When it was in the shop last week the dealership could not duplicate. The problem is intermittent. It did respond to increase in temperature ( heat came on when I raised the temp as high as it would go).
Put it backon 70 and within a few minutes it worked as it should.

Has anyone else had this problem? Is it typical. Does the car need to think abot what I want for a few mintes before it responds.

Any advice or direction would be greatly appreciated.
anybody home?
Old 05-27-2008, 04:15 PM
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Originally Posted by Martin525i' post='589565' date='May 27 2008, 06:42 PM
anybody home?
Hello ? Uncle Leo?
Old 05-27-2008, 04:43 PM
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not normall mine does it right away no thinking
Old 05-27-2008, 04:48 PM
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i havent had that problem

but i have noticed that sometimes when i turn off the AC it goes back on by itself. its only happened like 3 times so far but it doesnt bother me, its just strange. i will have the dealer look into it when i get around to taking the car in for other more important issues...
Old 05-28-2008, 07:42 AM
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Originally Posted by orlee008' post='589606' date='May 27 2008, 07:48 PM
i havent had that problem

but i have noticed that sometimes when i turn off the AC it goes back on by itself. its only happened like 3 times so far but it doesnt bother me, its just strange. i will have the dealer look into it when i get around to taking the car in for other more important issues...
Do you think unplugging the battery for a few minutes would reset everything?
Old 05-28-2008, 08:12 AM
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Originally Posted by Martin525i' post='590003' date='May 28 2008, 06:42 PM
Do you think unplugging the battery for a few minutes would reset everything?
Your problem is probably caused by a defected AC regulator.

Happened twice to me with my '05 E60 and once with my '01 E39.

In the E39 the regulator was easy to change, but in the E60 it will
take your dealer about four hours to change it.

The regulator brake down is a common E60 fault and should therefore be
replaced without costs.

In my '05 E60 they changed both the regulator and the fan for free, twice - after some fighting...
Old 05-28-2008, 10:11 AM
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Originally Posted by Ricracing' post='590026' date='May 28 2008, 11:12 AM
Your problem is probably caused by a defected AC regulator.

Happened twice to me with my '05 E60 and once with my '01 E39.

In the E39 the regulator was easy to change, but in the E60 it will
take your dealer about four hours to change it.

The regulator brake down is a common E60 fault and should therefore be
replaced without costs.

In my '05 E60 they changed both the regulator and the fan for free, twice - after some fighting...
Did it get to the point that it was a continous problem for you or did it remain intermittent?
thanks,
Martin
Old 05-28-2008, 11:48 AM
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Originally Posted by Martin525i' post='590107' date='May 28 2008, 01:11 PM
Did it get to the point that it was a continous problem for you or did it remain intermittent?
thanks,
Martin
Is there a TSB out on this?
Old 05-28-2008, 01:36 PM
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Originally Posted by Martin525i' post='589549' date='May 27 2008, 06:13 PM
Today made the 3rd time that my car did not respond to hitting the "max" ac button, lowering the temp, or increasing the fan speed manually. When it was in the shop last week the dealership could not duplicate. The problem is intermittent. It did respond to increase in temperature ( heat came on when I raised the temp as high as it would go).
Put it backon 70 and within a few minutes it worked as it should.

Has anyone else had this problem? Is it typical. Does the car need to think abot what I want for a few mintes before it responds.

Any advice or direction would be greatly appreciated.
Anyone else have this problem? I called the dealership and she said she would check with the service tech. TSB?


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