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Thread: Banging out

  1. #1
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    Banging out

    My 98 740il js banging out at 3600 RPMS. It runs great up until it hits 3600

  2. #2
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    Um.... "Banging out"? WTF is that?

    Chris Powell
    Racer and Instructor since, well. decades, ok?
    Master Auto Tech, owner of German Motors of Aberdeen
    BMWCCA 274412
    German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471

  3. #3
    MauiM3Mania's Avatar
    MauiM3Mania is offline Observer/Master Skeptic Moderator
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    Quote Originally Posted by bmwdirtracer View Post
    Um.... "Banging out"? WTF is that?
    Get hip, Chris.
    04M3 TiAg 69k slick-top 3 pedal
    99M3 Cosmos 61k S50B32 euro 6Spd

    88M3 AW 43k miles Project FS


    WTB: 3.5" Eurosport/Conforti CAI

  4. #4
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    Now I'm REALLY confused.

    Chris Powell
    Racer and Instructor since, well. decades, ok?
    Master Auto Tech, owner of German Motors of Aberdeen
    BMWCCA 274412
    German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471

  5. #5
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    Me too.

    Maybe the engine needs a mate.

  6. #6
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    It might be a reference to the kind of motion the car makes at 3600rpm
    Last edited by Breeze1; 08-17-2018 at 05:52 PM.
    "If you have integrity, nothing else matters. If you don't have integrity, nothing else matters." Alan K. Simpson.
    5spd E46 "3XX": 328i engine, 330i Intake and exhaust, CAI, 323i diff.

  7. #7
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    I'm going to assume the OP is attempting to describe bogging out.
    I suggest he perform an exhaust backpressure test, as symptom describes clogged cats.

  8. #8
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    Like popping and stuttering

  9. #9
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    Perform the test to rule them out.

  10. #10
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    Okay, now we can look for what's going on....

    First step is going to be reading the BMW specific codes in all the computers, with a BMW specific scan tool. A generic Autozone or other pocket OBD code reader won't do it. This may be an ABS issue, a MAF issue, clogged catalytic convertors, bad coils, or oil in the spark plug holes, or a clogged fuel filter or bad fuel pump..

    Don't throw parts at it untill you know what's wrong; and you need to talk to the computers to find out what they know....FIRST.

    Chris Powell
    Racer and Instructor since, well. decades, ok?
    Master Auto Tech, owner of German Motors of Aberdeen
    BMWCCA 274412
    German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471

  11. #11
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    I'm getting a throttle position code and have ordered the part maybe that'll fix it!?

  12. #12
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    That probably depends on what BMW-specific scan tool you used to read the codes, and what BMW specialist supplier you ordered "the part" from.

    (If you read this code with a generic OBD2 code reader, and ordered a TPS from your local O'Reillys, don't hold your breath. Sorry)

    Chris Powell
    Racer and Instructor since, well. decades, ok?
    Master Auto Tech, owner of German Motors of Aberdeen
    BMWCCA 274412
    German Motors is hiring ! https://www.bimmerforums.com/forum/s...1#post30831471

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