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      09-29-2011, 03:00 PM   #3
rick berry
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Drives: 2015 M4 DCT/ 2014 750li
Join Date: Jul 2007
Location: marshall texas

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Basically as the air gets cooler it gets denser. Cold dense air carries more oxygen than warm,humid air. Small V8 high reving engines like ours come "alive" in colder weather.