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Dual mass Flywheel compatability with M50 swap

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    Dual mass Flywheel compatability with M50 swap

    Hi

    I been lurking thru the M50 swap threads (yes I read all 90+ pages) and I have not seen if the dual mass flywheel will/will not work on a M50 swap using the E30 G260 from my SETA which has a dual mass flywheel.. all the talk is about resurfacing the "I" Flywheel, is there a definite yes or no?!? got 2-3 items left to do and the clutch is a big one for me right now....

    thank for any helps or tips...

    #2
    bueller?!?

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      #3
      Originally posted by e30strokr View Post
      Hi

      I been lurking thru the M50 swap threads (yes I read all 90+ pages) and I have not seen if the dual mass flywheel will/will not work on a M50 swap using the E30 G260 from my SETA which has a dual mass flywheel.. all the talk is about resurfacing the "I" Flywheel, is there a definite yes or no?!? got 2-3 items left to do and the clutch is a big one for me right now....

      thank for any helps or tips...

      Post #3 in the link below, good luck.
      Searched google for - R3V / M50 DUAL MASS G260 and found the link.

      Comment


        #4
        SWEET so I can use the stock e30 DM flywheel with the M50 clutch...

        heres the explanation in case link dies

        Credit WANGANSTYLE


        10-27-2011, 08:51 AM



        stock 240mm dual mass M50 family clutch.


        if your friend owns a e46m3 / e36m3 (dual mass 240mm)


        OR

        e28m5 / e34 m5 (single mass 240mm)


        and replaced its clutch with something cool you can put the stock clutch set into your e30. works great no joke

        S38/M30 240mm single mass clutch (e24/e28/34) M spec. the complete flywheel+friction disc+pressure plate just fits into a G260. I test fitted this myself last week.

        Stack height is also same between G260 original clutch, S52 clutch with DM fly, s38/m30 single mass. splines @ transmission are identical between a G260, Zfsg320, G265-6 or G280-5.

        both will handle 350 hp/lb-ft + in original factory form, AND plug and play with G260.

        Both will require you use a 24v starter, but you will need to do that regardless as you are installing a 24v engine.

        The USA specific S52b32 version has the lightest dual mass 240mm flywheel at ~22lbs.
        s50b30's and m50b25 nonvanos usually have a ~ 30 lb flywheel

        dual mass flywheels are wear items......so check the condition before you assume a used one is good. or order a brand new unit.

        240mm dual mass was used stateside in:

        m50 nonvanos 525i 1991-1992 (weaker clamping pressure plate than M3 obviously)
        s50b30 1995 m3
        s52b32 1996-1999 m3

        m54b30 330i e46 5 speed (weaker clamping pressure plate than M3 obviously, new style SAC self adjusting)
        m52b28 528i e39 5 speed (weaker clamping pressure plate than M3 obviously, new style SAC self adjusting)

        s54b32: giant inside spline for Getrag sg420 6 speed, but 240mm pressure plate and dual mass flywheel will plug and play into a G260 with S52 pressure plate.

        euro:

        s50b30 euro e36 M3 *286hp
        s50b32 euro e36m3 *316bhp - uk version is weaker than germany 321hp*

        If high torque use is of concern S50/s52 pressure plate and friction disc. they are the highest rated items, I have personally used successfully with S54b32 (343hp).

        Daily driver ok. fit is Plug and play into a G260. works with M20 also lol


        Last edited by Wanganstyle; 10-27-2011, 08:57 AM.
        OBD1 M54/M52TU swap as a M50b25
        Z4 non powered steering rack fits e30


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