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Thread: Question on diff. ratios for transmission swap

  1. 04-21-2004, 02:59 PM #1
    Longhorn J
    Longhorn J is offline
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    Default Question on diff. ratios for transmission swap

    im thinking about swapping out the auto in my 90' 525i to a manual of the same year. My auto has a 4.10 rear end and the manual came with a 3.73. will there be problems, or will i just have a quick first gear?

    Jason Schieck
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  2. 04-21-2004, 03:05 PM #2
    Bill R.
    Bill R. is offline Super Moderator
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    Default Are you in Australia?

    Quote Originally Posted by Longhorn J
    im thinking about swapping out the auto in my 90' 525i to a manual of the same year. My auto has a 4.10 rear end and the manual came with a 3.73. will there be problems, or will i just have a quick first gear?

    Jason Schieck
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  3. 04-22-2004, 10:45 PM #3
    Longhorn J
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    hmmm, no, texas. my manual says i have a 4.10, also a couple websites confirmed. maybe conflicting info?? maybe i have a australian manual?

    Jason Schieck
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  4. 04-23-2004, 12:35 AM #4
    Bill R.
    Bill R. is offline Super Moderator
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    Default The info i printed here is straight from the factory service manual..

    Of course that doesn't mean its right...





    Quote Originally Posted by Longhorn J
    hmmm, no, texas. my manual says i have a 4.10, also a couple websites confirmed. maybe conflicting info?? maybe i have a australian manual?

    Jason Schieck
    Last edited by Bill R.; 04-23-2004 at 12:39 AM.
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