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Thread: E28 no start / Intake backfire

  1. #1
    Join Date
    Oct 2017
    Location
    Los Angeles
    Posts
    1
    My Cars
    1986 E28 535i

    E28 no start / Intake backfire

    1986 e28 535i
    Was running before parked
    Symptom: no start, coughing, intake backfire

    1. Have spark (new coil. Spark detected)
    2. Have fuel (at least good relay, pumps and filter)
    3. Have compression (even 134-140. Not huge but should be enough)
    4. Have good ecu (tested and certified)


    Could a collapsed muffler be causing this?

  2. #2
    Join Date
    Oct 2012
    Location
    Camden, SC
    Posts
    4
    My Cars
    1995 525i Touring
    Sounds like a timing issue

  3. #3
    Join Date
    Sep 2009
    Location
    Denver, Colorado
    Posts
    2,876
    My Cars
    1985 535i, 1980 635CSi
    Too much fuel?

    FPR bad? CTS failed?

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