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      04-29-2011, 08:12 PM   #12
ShinyRedCar
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Drives: 2006 BMW 325i
Join Date: Jul 2005
Location: California

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Quote:
Originally Posted by Roowah View Post
It's for aerodynamics. When driving at speed, the air becomes turbulent when it encounters the wheels. The flaps redirect the moving air around them. Our vehicles are quite aerodynamic underneath. That's one of the reasons we have so many plastic panels under there.
That is so

Thanks!
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Jeff