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3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

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Old 08-14-2006, 09:14 PM   #1 (permalink)
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A/C Blows hot after about thirty minutes.

My 325 E46 (2001) A/C blows cold for about thirty minutes,then turns to hot on it's own. Can this be an evaporater problem? Any help is appreciated.
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Old 08-14-2006, 09:32 PM   #2 (permalink)
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Does it have auto climate controll? If so, I'd say you have a climate control computer or sensor issue. You should have the dealership look to see if there is a TSB for this (technical service bulletin) or even a recall. If nothing else they can tell you if the symptoms are indicative of a common problem that they see.
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Old 08-15-2006, 12:33 AM   #3 (permalink)
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Also could be an issue with the evaporator icing up. Either way AC problems are usually best left to the professionals with the proper equipment to service Air Conditioning.
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Old 08-15-2006, 07:05 AM   #4 (permalink)
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Your car might also have reached the temperature you told it to reach in the automatic climate control system?
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