I found that we are not alone in regard to the problem I'm having with my wife's 328. Several threads have mentioned the same problem and along with the replies several fixes that have been tried. One fellow f-chat member emailed me with the same frustration regarding the misfiring and rougn running. He has a long list of what has been looked at and done as do I. We still have no answers, me after spending some $6000+ on the problem. I'm sitting here thinking that there must be a factory held list of problems and suggested fixes somewhere. That would give us some solid direction in looking for the causes of this or any other problem some of us may be having. Just wondering.