M10 plugs fouling?

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  • Funkmasta
    R3V OG
    • May 2004
    • 7185
    #1

    M10 plugs fouling?

    My neighbor has an 84 318iA, and it keeps fouling the plugs after about 4 days of driving, to the point of not starting.

    The car recently (within last 4 months) passed emissions, so I don't believe it to be burning a ridiculous amount of oil.

    I changed the O2 sensor, the cap and rotor are new, the AFM has been replaced.

    Timing?
    Other ideas?
    The car seems to be running very rich, but I have not truly tested that.
    Joe Funk -- Portland Oregon
    That Guy.
    03 X5. 3 liter obviously.
    Tags: None
    • CntrlcoastE30's
      Advanced Member
      • Dec 2007
      • 186
      #2
      How many miles on the car Joe?
      What plugs are being used?
      Last valve adjustment?

        Comment

        • Borat
          E30 Addict
          • Jan 2005
          • 494
          #3
          so are the plugs just covered in soot or oil?
          can always go a bit hotter, BP4ES (NGK) could be the go?
          (not ideal but could work if you can't figure out the original problem)

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