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Old 11-16-2011, 11:20 AM
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Flug540 Flug540 is online now
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Location: Hayward, CA
 
Join Date: Nov 2009
Posts: 532
Mein Auto: 1998 BMW 540i 6-spd
Quote:
Originally Posted by bricas45 View Post
Not sure about connecting the Bosch valve that is the one VF and ESS use on their kits. It very well could be that your BOV is tuned to open at ~3psi and you may not have a vacuum leak at all. I would try playing with the settings. Tune to one extreme look at pressure WOT, tune other way, and step up. I think mine came with a tuning process.

Can you take adjustment screw off and use Teflon tape on threads?

Again run leak test directly into throttle body to eliminate SC system. And then start attaching parts and make your way to filter. I think starting with filter is just too many variables. Or if you want to just test the SC system cap the inlet to throttle body and pressurize from filter. Maybe even plug off the connections to the BOV.
Good tips, I'll try. I was just too lazy to remove the front S/C pipe that connects to the TB, it's a pain to remove, but I guess I'll have to.
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