2.7with i-head misfire concern

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  • JoMbO808
    Noobie
    • Mar 2015
    • 21

    #1

    2.7with i-head misfire concern

    ALOHA,
    so i have a misfire concern on my 89 bmw 325is with the m20 motor. i converted the distrubtor ignition to the 6 tower coil pack with the quad spark. i found cylinder 3 & 4 spark plugs wet when compared to the other 4 cylinders.

    when i pulled cyl. 3&4 ignition wires there is no change to the way the motor runs. i arched the tower to the ignition wire and found 3&4 is alot weaker when compared to the other cylinders.

    could you please help me with diagnose or something to look for? i pretty stuck at this point.

    Mahalo(thankyou)
    Mark Jamorabon
  • jeffnhiscars
    R3V OG
    • Jun 2011
    • 6010

    #2
    Sounds likemyounalready diagnosed it
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