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      01-31-2013, 05:49 PM   #3
quasitime
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Drives: 2007 335i 6MT
Join Date: Aug 2008
Location: Los Angeles

iTrader: (1)

Check your vacuum lines for leaks. Pretty common problem after 50k or so and it will suck the boost out of your car. =P

http://www.e90post.com/forums/showthread.php?t=546560