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318is vs. 325is rear diff question

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    318is vs. 325is rear diff question

    They are both LSD's correct? Are they the same?

    Getting ready for the swap. :up:

    #2
    the 325is rear end is a large case diff that can take more power....the 318is features a small case diff..its said that the small case diff can take up to 210-ft/lbs of torque, but at the same time it said that the m20 has shreaded them apart in just a week but i guess you can find that out which one is true or false casue i have no idea...good luck with it

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      #3
      LSD was an option for the 318is

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        #4
        The 4.10 was indeed an option on the 318is. I would go large case just for peace of mind though and wouldnt trust a small case on an m20.
        Back to my roots

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          #5
          Will a 318is/325is rear diff require a different drive shaft if installed into an early 318i or will be a direct swap ?
          Mtech1 v8 build thread - https://www.r3vlimited.com/board/sho...d.php?t=413205



          OEM v8 manual chip or dme - https://www.r3vlimited.com/board/sho....php?p=4938827

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