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      09-28-2012, 10:35 AM   #2
marv85
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Drives: '07 335i MT
Join Date: Jun 2010
Location: Portland

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3100 is boost shutoff, 30FF is underboost I believe. I was getting 30FF for a while and went crazy trying to find the issue. turns out it is my boost solenoids.

Usually 3100 is accompanied by other codes
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