SLOVED!!! ANY Ideas?? Spark / Ignition Cutting out

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  • SpecM
    R3V Elite
    • Oct 2005
    • 4531

    #76
    installed new ICV and no issues or cutout!

    I autopsied the old ICV and found burned marks and pits on the commutator where the brushes ride.


    1989 cirrisblau-metallic 325i

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    • SpecM
      R3V Elite
      • Oct 2005
      • 4531

      #77
      theory: pitting on commutator, created high resistance in circuit, causing voltage to drop at DME causing cutout and stall condition.

      I feel like Dr Gregory House
      1989 cirrisblau-metallic 325i

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      • squidmaster
        R3VLimited
        • Aug 2011
        • 2666

        #78
        Burn marks? Looks more like wear marks from those pictures. Looks like copper, so it shouldn't hurt conductivity though. Perhaps the problem itself lies in whatever was causing those wear marks.

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        • ct3155
          Wrencher
          • May 2010
          • 208

          #79
          Yeah that's nuts! I didn't bother taking mine apart... went straight to the trash!! lol But i imagine that the inside of mine would have looked very similar!

          Wonder if we are the first ones to experience this problem and fix with this solution?? I've not seen any other mention of replacing the ICV solving this. Mostly just CPS and cleaning grounds.

          I'm beyond happy that both of our cars are fixed though! I've been driving mine for 2.5 weeks now with out a single problem!!!!

          WIN!!!!!!!!!!!!


          1988 325is - Track Toy
          1986 325e - Daily Driver

          Lovin the e30's

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