Thread: DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.
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      03-15-2015, 09:20 AM   #679
zack335i
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Drives: 2010 e90 335i w Sports package
Join Date: Feb 2015
Location: United States , NJ

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if you re plug will the code go away or will it stay stored in the ecu?
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