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      11-25-2012, 09:37 PM   #6
New Member

Drives: 2011 1M Coupe
Join Date: Nov 2011
Location: Osterville, MA

iTrader: (0)

It's most likely running at start up for the same reason the mirrors automatically go to defrost. Depending on the ambient temp, the car will always try to clear your views of the road. A/C helps to defog the window in high humidity situations wether or not it's hot or cold. I wouldn't code out anything unless a Tech tells you that something is wrong. I think the engineers thought we had enough buttons to push to start driving the car down the road. Maybe they tried to take out a few steps to help simplify the process. Just my opinion.