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      02-11-2009, 06:12 PM   #8
TTG
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Drives: M340
Join Date: Aug 2006
Location: Seattle, WA

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Quote:
Originally Posted by 335iPaul View Post
Don't think it is on a timer, more like when your RPM goes over 3K it opens the valve and you get exhaust out both sides. There are a few ways to defeat the valve though so that it is open all the time.
Correct

Quote:
Originally Posted by GAMEOVR View Post
No timer, but that is the usual at least for me....... about 15 seconds... You can hear it switch at least with me... not sure about anyone else....
I don't know what to tell you! That is not how the system works....

Quote:
Originally Posted by Payroll View Post
I think it only occurs when the engine is cold
Nope, it is like that all the time... You just don't see the fumes coming out once the engine is warm.


Op, Do a search on the site and there is a way to activate them both :-)
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2020 G20 M340 xDrive - Portimao Blue - ZDA|ZPP|ZPX|1CR|1PE|6NW|6WD
2016 F10 535i xDrive - AW - Retired
2011 E92 M3 - AW……………....ED April 29th, 2010 - Retired
2007 E92 335i -Space Gray.....ED Oct 19th, 2006 - Retired
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