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      01-14-2012, 01:51 PM   #14
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Drives: Black '12 135i DCT PPK Msport
Join Date: Nov 2010
Location: Texas

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Now that the 3 has stop start, I wonder what sort of systems run the AC and heat while at a traffic light. I would imagine an electric AC compressor and circulation of heating water with the existing electric water pump.
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