Thread: Misfires
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      01-27-2013, 09:50 PM   #12
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Drives: 2010 E92 335i
Join Date: Mar 2010
Location: Plano, Texas

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Quote:
Originally Posted by PaiNFuLSeDaTiVe View Post
I know plugs were done 20k ago
I've seen a good number of recommendations to change plugs on 20K intervals with a tune installed. I kept getting misfires on cyl 1 during cold starts, to the point where the car would stutter and illuminate the CEL at low loads. New plugs resolved that issue completely, no coil swaps needed.