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NG900 & OG9-3 Performance, Mods & Tuning Covers Tuning & Performance modifications for the NG900 (1994 to 1998) & OG9-3 (1999-2002) & '03 Convertible

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  #1  
Old 16th July 2006
gsf1200m gsf1200m is offline
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Join Date: May 2006                                                
Location: MA
My Saabs: 1997 Turbo Convertible
Posts: 22
Default confused about BOVs

Well I just put in an mbc+a last week and everything is fine. But now the stock BPV (changed to BOV) makes random moaning sounds all the time so it must not be able to handle the boost. I am pretty confused on what to get and I dont want to spend a lot of money. Would something like this http://cgi.ebay.com/ebaymotors/Turbo...mZ150010639067 what I need? Its confusing with all the type h, type s, xs... I dont know what they are talking about.
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  #2  
Old 16th July 2006
Ryan33 Ryan33 is offline
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My Saabs: 1999 9-3 Stage 4+
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your stock bov should be find to handle your running with an mbc...if you could be a little more specific as to what type of noise it's making then we see what could be wrong...
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  #3  
Old 16th July 2006
DFroelich DFroelich is offline
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if its a honking sound then yes, the bpv is busted. Mine did that after turning up the MBC to 15psi. There are many different BOVs that you can hook up. Here is a list of sites. Go towards the bottom of the last for the BPV/BOV sites. Take a look at those and read what others have been saying about the sounds.
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  #4  
Old 16th July 2006
gsf1200m gsf1200m is offline
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Join Date: May 2006                                                
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My Saabs: 1997 Turbo Convertible
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The car is an automatic and I would call the sound more of a long moan. If there is a lot of pretture then it makes the normal sound. Sometimes you can hear a moan start then it makes the normal sound. Other times when you are just driving and the car shifts thats when it makes along moan or sometimes when you are just cruising up a hill.
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