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Old 09-16-2008, 01:15 PM   #3
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Join Date: Jul 2007
Location: Austin, TX
Posts: 56
My Ride: 2001 330Ci
Originally Posted by Dreamliner330 View Post
MOD NAME: Golf Tee Mod


MOD BENEFIT: More low rpm 'rumble' exhaust note.

MOD DESCRIPTION: Remove vacuum line that closes a metal 'butterfly' valve. plug removed vacuum line with a golf tee or similar.
Wow, I'm so glad I read this. Turns out my butterfly valve was so covered in soot it was NEVER opening! I had to jab it with a screw driver to get it to move rumble=
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