Quote:
Originally Posted by ColdList
Well now I would hesitate on doing that if I were you until a few confirmations can be made. I spoke to a performance guy at Caffeine & Octane today that said that keeping them open slows the turbo spool up. Ugh! My guy is a guru too so I am not sure who to believe. I will find out more and post info.
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Following up on this it appears that the valves are there purely for noise reduction and that BMWs earliest assessment was that they were there to eliminate drone. Mine wired open produce no drone whatsoever.