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      11-28-2012, 11:17 AM   #23
cdgatti
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Drives: e90 328i
Join Date: May 2011
Location: KY

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CA - not sure if you are saying that tounge-in-cheek or you mean it, BUT I too have had the illusion over the years! Just seems to run quicker and smoother when cleaned (outside not inside). As an engineer can't believe a thin layer of dirt on body or wheels would make a difference - but who knows!