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Fouled out plugs again!

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    #1

    Fouled out plugs again!

    This is the second time this happened in <8k miles while driving my 325is. It seems to happen after a couple WOT sessions. Any suggestions as to what would be causing it or how to stop/reduce it? All of the other plugs looked ok, at least they were dry.

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    #2
    holy shit... yea, um thats not really a good thing. Are those 2 plugs side by side? Perform a compression test and report back.
    Old and improved:

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      #3
      Sounds like DEAD rings. My turbo car that smokes like a chimney doesn't even do that...
      :: PNW Crew ::
      '87 325 4dr, '74 2002

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        #4
        Those pics are of the same plug. I have a leak down tester but no comp. Ill have to pick one up this week. The car doesn't use any oil or show any smoke. It has 165k miles.

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          #5
          If you only see that on one cylinder I'd suspect low compression or a bad ignition wire on that cylinder.
          The car makes it possible, but the driver makes it happen.
          Jim Levie, Huntsville, AL

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            #6
            Yes its just on one cylinder. I was leaning/hoping it is a plug wire. I remember having a miss some time ago and checking that the wires were secure. After I checked them, the miss went away for a couple months until I discovered the first fouled plug. I'm still going to get a comp tester hopefully on Wednesday and see where I'm at on the rings before I buy any more parts.

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