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HVAC system problem

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Old 02-20-2005, 09:33 AM
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Just had my software updated a couple weeks ago to version 15.2. I don't know if it's software change related, but my auto climate control system isn't functioning properly. Not much airflow on auto, and it's getting pretty stuffy in the car. Anyone else had this problem?
Old 02-20-2005, 11:27 AM
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Yes, but not in winter. In summer, when it is humid or raining, the evaporator freezes in our car, completely shutting off all airflow to the cabin-- fan at any speed, temperature hot or cold, direction anywhere.
Old 02-20-2005, 11:44 AM
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My Ride: GONE BUT NOT FOGOTTEN : 530d SE Auto : Titanium Grey / Anthracite Leather, Poplar Trim, 18in 123 Style Alloys, Adaptive Bi-Xenons, Business Nav, Hi-Fi Speaker Package, Heated seats, Split-Fold Rear Seats LR DISCO 3 HSE with everything (including 3 kids)
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I have just had 15.2 and Auto mode seems to be MUCH more affective than previously - in fact it now works pretty much like my 3 series used to. The airflow starts very low until the engine warms up and then it will increase it until the cabin has reached the desired temp then it backs it off again.

Before I had 15.2 the airflow was always constant!
Old 02-20-2005, 01:29 PM
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Did you check the setting in iDrive that controls how agressively the climate control system works? There are three settings, one is low, one is normal, and one is high. Maybe yours is set to low by mistake?
Old 02-20-2005, 01:43 PM
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Originally Posted by Rudy' date='Feb 20 2005, 04:29 PM
Did you check the setting in iDrive that controls how agressively the climate control system works?? There are three settings, one is low, one is normal, and one is high.? Maybe yours is set to low by mistake?
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Yep, checked the setting and tried both high and med but the system still isn't working. I can turn both dials down to the minimum, and the airflow doesn't increase a lot, and there doesn't appear to be any AC. When I hit the Max button, the AC kicks in full steam, so AC is working. Something's not right.
Old 02-20-2005, 02:52 PM
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Yeah, it does sound like something's amiss...
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