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      09-28-2012, 10:55 AM   #3
longliven54's Avatar
Drives: 2007 335i e90 auto
Join Date: Jan 2011
Location: victoria

Posts: 465
iTrader: (6)

Originally Posted by marv85
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
replaced the solenoids or just the vaccum hoze?
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