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Old 10-07-2012, 09:08 AM   #13
Registered User
Join Date: Jun 2012
Location: Georgetown Texas
Posts: 376
My Ride: 01 330ci
Originally Posted by ao125 View Post
Over @45mph, this is not true. Open windows create drag.
True.. it will actually decrease ur gas milage if you have ur windows open... just use the ac. And I get 29mpg on my 330ci

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