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      12-14-2006, 05:06 PM   #9
bavarian19
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Quote:
Originally Posted by e30klassic
So where's the control unit for the B/vale? I thought its just controled by the exhaust pressure.

Yes you are right LONG, the 330 do sound much more beefier then the 325 at low speed........I believed the vale shuts on low speed.

I was thinking maybe i can drill a small hole some where to create the same effect.

http://www.realoem.com/bmw/showparts...12&hg=18&fg=20
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