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      03-21-2013, 09:14 AM   #20
TittoBlunt
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Drives: 2007 328i, 2013 328i M-Sport
Join Date: Nov 2012
Location: Northern VA

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Quote:
Originally Posted by mxa121 View Post
+1

I'm getting irritated. On cold starts it stumbles badly. Once warm it is less noticeable.
New plugs and it runs worse
Maybe incorrect plug gaps? You would hope the dealer checks the gaps before installing but you never know.