Need Advice

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  • Xat1cZ
    R3VLimited
    • Jan 2012
    • 2020

    #1

    Need Advice

    HI !

    .. I need some advice in what tranny to use .. I have an E30 M3 with a S38B38 swapped in it and is currently running the M3's stock diff and tranny (265/5).

    Everything works great but I feel that the M3 tranny's short gear ratio is starting to .. "annoy" me. So I took the S38 out of a M5 myself and have its tranny laying around (280/5).

    SO what I need advice for is whether to use the 265 or 280, I have a hard time deciding 'cause I think the 265 is great and love the dog-leg pattern, but like I said I think it would be nice to be able to "ride out" the gears a little bit ... ie not having to shift every second when doing some very legal scientific acceleration tests ...
    .. and "normal" driving to .

    It would be great if someone on here have actual experience with both transmissions having had them in the same car and whether it's worth swapping ..

    I don't feel like swapping trannys only to be dissapointed and the next day swap back .. so I figured best to ask some advice first !!
    ლ(ಠ益ಠლ)Be Afraid Of The Future
  • Smelser
    Mod Crazy
    • Feb 2011
    • 633

    #2
    if you like the shift pattern, have you considered a rear gear change? to something lower?

    sigpic1984 318i Total conversion to a DIRT race car.
    Check out our build on facebook @ www.facebook.com/brewstermotorsports

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    • MR 325
      Moderator
      • Oct 2003
      • 37825

      #3
      Agreed, I would recommend just changing the differential for something with longer gears.

      Does the car have a 4.10 diff ratio?
      BimmerHeads
      Classic BMW Specialists
      Santa Clarita, CA

      www.BimmerHeads.com

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      • Xat1cZ
        R3VLimited
        • Jan 2012
        • 2020

        #4
        Originally posted by MR 325
        Agreed, I would recommend just changing the differential for something with longer gears.

        Does the car have a 4.10 diff ratio?

        No I have the 3.25 ... is there any diffs you guys would suggest then ?
        ლ(ಠ益ಠლ)Be Afraid Of The Future

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