Installed diff bov, now possible compressor surge

[awd-drifter]

i think you will know when it's compressor surge. I'm sure the bov is just 'fluttering'

Fluttering
http://www.youtube.com/watch?v=jEUWEsqoWz8&feature=fvw

compressor surge
http://www.youtube.com/watch?v=nCj6Spwl1CU

i will have to retake another video of my car but my bov still sounds like this..which is fluttering. probably hear it flutter in the middle of the video.
http://www.youtube.com/watch?v=LcQ4h5gB_iI