Thread: DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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      04-15-2008, 08:56 PM   #133
Chiggy
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Drives: E92 335i, E70 4.8
Join Date: Nov 2006
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Quote:
Originally Posted by lkn View Post
I would take precaution doing this mod as another member has had the dealer find out that there is a BB inside the valve..
OP's mod is different than the BB method.
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