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      12-02-2007, 09:21 PM   #1
M3to335
Whats that smell?
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Drives: 135i, m435
Join Date: Nov 2006
Location: Your basement

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What physically is modified for the CDV?

I realize what a modified CDV is doing, but what are the vendors physically doing to "modify it". If its something I can do in the machine shop, id like to do that instead of buying another one.

I heard its just poking out the valve