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      07-17-2011, 02:26 PM   #21
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Drives: '08 E92 M3
Join Date: Apr 2007
Location: Cambridge, MA

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Originally Posted by GreasyGinzo View Post
They don't...I think there is a dummy(it looks like one but is empty inside) CDV in our cars
yup i cant find it right now but i remember seeing a post back in 2008 where someone took that 'cdv' out and found out that the inside diameter was non-restricting
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