Thread: DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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      05-01-2013, 02:25 PM   #593
fventura03
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Drives: 335xi
Join Date: Apr 2013
Location: alexandria, va

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just did this, took about 15 seconds, any confirmed issues from the dealership after doing this mod? like refusing warranty work?
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