California Smog and Catted Downpipes. My experience.
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01-28-2013, 08:56 PM
Drives: E90 335i & C6 Grand Sport
Join Date: May 2009
Location: Santa Barbara
Originally Posted by
Why do you have to yank your BOV?
I believe it will fail the visual inspection unless it carries a CARB number, just like an intake.
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