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      03-19-2013, 07:24 AM   #17
TheRuss
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Drives: BMW 135i
Join Date: Sep 2012
Location: South West, UK

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Hi Dackel - it's possible, and that's what I was wondering, being that the plugs had just been changed before it got more severe feeling. Before the plug change it wasn't that noticable.

However, the Cobb isn't showing up any faults, so I'm not sure how to diagnose which coil pack it could be? Without any fault codes, it could be any of them. Or does the lack of fault codes mean that the coil packs are fine?