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Thread: burning oil, fouling plugs, smoking BAD at startup...

  1. #1

    Default burning oil, fouling plugs, smoking BAD at startup...

    I rececently installed a new cylinder head (800 miles ago) and everything was working fine. Today the car fouls 2 plugs and is smoking at startup and the readout is telling me engine oil is low. Any idea why this is happening, could the head gasket have gone bad that quickly?

    1990 525i m20 5 speed

  2. #2
    Join Date
    Dec 2003
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    baton rouge, loserana
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    Default

    possible it died, did you replace the head bolts? if not that's probably what killed the gasket if that's the problem
    all america wants is cold beer warm cat and a place to take a poop with a door on it

  3. #3
    Join Date
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    Default

    with fouled plugs youll be getting a lot of smoke and stuff. maybe the oil rail on top of the head loosened up or was installed wrong, IE: the end plug not installed, and is dumping too much oil upstairs and is pouring down the valves into the cylinders. Pull the valve cover and inspect.
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  4. #4

    Default I did and I used your 3 stage process to torque them down...

    Quote Originally Posted by winfred
    possible it died, did you replace the head bolts? if not that's probably what killed the gasket if that's the problem

  5. #5

    Default could it be the head is not torqued down enough?

    If so, should I try to tighten it?

  6. #6
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    Default anything is possible, I think they are supposed to be re-torqued after warm up,

    Quote Originally Posted by carolina525
    If so, should I try to tighten it?
    have to check into that though.
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  7. #7
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    Default not on that motor, only the m30 and the diesels

    Quote Originally Posted by 632 Regal
    have to check into that though.
    all america wants is cold beer warm cat and a place to take a poop with a door on it

  8. #8

    Default

    So Winfred what do you recommend I do from here?

  9. #9
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    Default

    i am not sure what to suggest you said it was fowling out plugs, more then one cylinder? if so and on joining cylinders head gasket sounds likely, it's hard to say how to pursue this as oil dumping past a head gasket is uncommon, it's usually water or combustion gasses that leak
    all america wants is cold beer warm cat and a place to take a poop with a door on it

  10. #10
    Join Date
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    try repalcing the plugs and see what happens?
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

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