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      01-06-2013, 11:19 PM   #6
mike3000fl
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Drives: 06 330i
Join Date: Feb 2010
Location: Tampa

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If you don't run the AC compressor (snowflake symbol button), you are going to have moisture in your air and the likelihood of fogging inside increases. I leave the AC button on even when running heat, for dry dehumidified air.