Blow off valve / idle issue

[AlpWhitE46]

Originally Posted by suprra_girl

While it's running, take the screw out of the vacuum hose and watch the inside of the hks bov, when you plug in the hose does the valve inside move?

If it does move and not return, the seals have let go hence it leaking.

Alot of the *insert brand name here* STYLE bovs do this also so it is recommended to get genuine.

thanks supragirl...
but i think this one is genuine... and the guy seems legit he told me it works and was working fine on his friends car...