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      12-09-2012, 01:06 AM   #10
Tee-Dub
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Drives: 2008 135i
Join Date: May 2009
Location: Vancouver, WA

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How many miles on your plugs and coils? If they are older (past 30,000 miles or so) they could be the culprit. It seems a tune makes these issues pop up when the stock conservative tune didn't.