Originally Posted by avocet
do people know that you can take out the CDV, and just plug the lines into each other? in other words, just remove the damn thing?
try it and see if there is a difference. if you like, and am worried about warranty, go buy a fake one, or core out your own.
My car is brand new. If CDV-delete has no effect for my car, as implied by the common CDV (Lock Valve) part number between the M3 and the E91 325i/328i xDrive, I would rather not mess with it.