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      11-21-2012, 12:15 PM   #17
35mphgolf
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Drives: 2004 ZHP
Join Date: Nov 2012
Location: VA

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I'm about to buy a 2011 335d - all these head rebuilds/engine failures due to carbon buildup is having me worried. Is there a DIY written on cleaning up your intake system and how to prevent additional buildup (oil catch can etc..)? Should I even be worried?