Quote:
Originally Posted by SanFranciscoM3
I wanted to resurrect this thread. I have a 2008 E92 M3. I today removed the CDV and made a night and day improvement in the shifting. For anyone who has a question whether the E92 M3 had a CDV, mine definitely did.
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Maybe it’s applicable only in the early models E9x M3’s? Does your CDV have the smaller restrictive hole like in the picture above? I have an ‘08 E90 M and looking to do this mod if this is true!