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      03-29-2012, 12:59 PM   #4
Dr.GumbyM.D.
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Drives: 2009 328i
Join Date: Feb 2012
Location: Ann Arbor, MI

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Quote:
Originally Posted by kiwi29 View Post
I've heard of a few techniques to cut down drag with painter's tape, does anyone have anything to add to this like spots to add this to and how much? I tried taping gaps like front bumper and fender area and the sunroof. It made maybe a 10th of second of difference in my lap time. Am I doing it wrong? Or is tape really that minor? and how do you know where to tape on the front bumper mesh? BTW Please show diagrams or a picture
My suspicion is that whatever difference it may or may not make, the difference is less than your inconsistency between laps regardless of whether you're using tape or not.

Also, if I understand it correctly, the difference it makes is negligible at lower speeds, so unless you're consistently driving at very high speeds, it's unlikely to make much of a difference.

Maybe a rocket scientist can chime in?
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2009 328i Jet Black with Dakota Brown interior - Nav, heated seats, Premium Package