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      06-04-2012, 02:48 PM   #15
cyndi335icoupe
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Drives: 335xicoupe
Join Date: May 2012
Location: n.h.

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Thanks for the response

Thanks to all that reponded. The dealer cleaned the valves in cylinders 4-6 and changed the plugs and the problem went away. I guess they pull the intake manifold and clean from there. Said it was a common problem if the car was driven to easy, (low rpm high load).