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      09-23-2012, 12:57 PM   #3
Caught the Bimmer-Bug

monkey_wrench's Avatar
Drives: '06 330i
Join Date: Aug 2011
Location: Florida

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2006 330i  [0.00]
I think that's for the 330i only, the 330i and 335 have vacuum operated a valve on the muffler.

Not sure what it does, but by plugging it you'd be doing the "golf tee mod"