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Thread: Manual Z3 (m) driveshaft and flex disc question

  1. #1
    Join Date
    Jul 2006
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    sacramento
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    e30 & e34

    Manual Z3 (m) driveshaft and flex disc question

    Hi,

    Can someone tell me if the Z3 M coupe/roadster flex disc is the same bolt center to center spacing as the z3 1.8 , 2.5 and 2.8L cars of 96mm ?

    I see the 1.8 , 2.5 and 2.8 cars are listed as 96mm, but I can't find the specs for the Z3M coupe/roadster and hoping someone here can confirm .

    This might be a long shot, but does anyone here know the FRONT driveshaft section length on the manual z3 2.5 and 2.8 and M cars?

    Thank you.
    e30 84 340i m6x powered.
    e34 89 535i 5speed - current DD
    e24 89 635csi - maybe a DD?

    e34 93 525i (m50tu) - gone
    e39 540i 6spd m-sport - gone
    e53 x5 4.4l - gone
    e30 89 325i (m20) - gone

  2. #2
    Join Date
    May 2002
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    99-01 M Cpe & Rdts, X5M
    I've put the M version on a supercharged 2.8 before, so that's a match. The M one is a bit thicker, so make sure to use the appropriate length bolts and new locknuts.

  3. #3
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    Thanks Randy ! Got new bolts and nuts , just wanted to confirm the bolt pattern is the same between them .

  4. #4
    Join Date
    Oct 2011
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    2001 Z3 2.5i
    Semi Hijack:

    So we can use the M pieces as an upgrade to regular 5spd cars without issues of driveshaft length?

    My understanding (according to parts sites) is EDIT: the larger pattern is for autos and the smaller for 5spd cars.
    Last edited by TheDrip; 10-17-2017 at 12:36 PM. Reason: My memory is backwards!

  5. #5
    Join Date
    Jul 2006
    Location
    sacramento
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    My Cars
    e30 & e34
    The guibo or more accurately center to center bolt pattern is usually bigger on the manual car vs auto...but the front driveshaft section if thats what you are asking is shorter on automatic vs manual.
    e30 84 340i m6x powered.
    e34 89 535i 5speed - current DD
    e24 89 635csi - maybe a DD?

    e34 93 525i (m50tu) - gone
    e39 540i 6spd m-sport - gone
    e53 x5 4.4l - gone
    e30 89 325i (m20) - gone

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