Thread: More residue on one of the exhaust pipes
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      07-22-2009, 01:28 AM   #9
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2006 330i  [9.00]
Quote:
Originally Posted by VTECaddict View Post
i think the flap is broken on my 330i. its always open.
If you're serious, I've wondered the same thing. Mine looks like it's always open, too. But the tip without the valve (left, on the 330i) gets sootier than the one with it (right), so it must close when I'm not watching it.
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