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Thread: m20 cylinder head

  1. #1
    Join Date
    Oct 2006
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    79

    Default m20 cylinder head

    Hey guys, Would a m20 cylinder head from a 1990 325i sport fit a 1989 520i m20 engine ? without any problems ? guys

    Fraser

  2. #2
    Join Date
    Aug 2004
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    Regional NSW, Australia
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    Default

    Quote Originally Posted by Fraz06
    Hey guys, Would a m20 cylinder head from a 1990 325i sport fit a 1989 520i m20 engine ? without any problems ? guys

    Fraser
    I am not expert on this, but from memory this has been asked before and the answer was that there were some minor differences.

    Do a search.


    "I'm not the village idiot.
    But when he retires I'm next on the list."

  3. #3
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    Dec 2003
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    PA
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    Default

    if its a 2.5L M20 and not a 325e or 325es, then yes.

  4. #4
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    Dec 2003
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    baton rouge, loserana
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    Default

    it depends on what kind of pistons the 520 has, they may not be compatible with the chambers, like a E head won't work with I pistons, the pistons will hit the head, a I head on E pistons you have really low compression, which is fine if you wanna stick on a turbo and blow 20# of boost but would suck otherwise

    Quote Originally Posted by Fraz06
    Hey guys, Would a m20 cylinder head from a 1990 325i sport fit a 1989 520i m20 engine ? without any problems ? guys

    Fraser
    all america wants is cold beer warm cat and a place to take a poop with a door on it

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