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    Flywheel Question

    Beginning to hate the dual mass flywheel on my 91 318is
    From what I understand this flywheel should bolt up to the motor but I am unclear what starter/clutch/and throwout bearing I would need.
    Any help is appreciated.


    #2
    you have to swap to m20 starter, or starter gears. maybe someone can chime in and confirm this.

    Turbo M42 Build Thread :Here
    Ig:ryno_pzk
    I like the tuna here.
    Originally posted by lambo
    Buttchug. The official poster child of r3v.

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      #3
      that's what I was suspecting, I guess it would basically be the same parts as using a m20 flywheel. So m20 starter and a 6 cyl clutch and pressure plate + corresponding throwout bearing.

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        #4
        ^^^
        You are correct except that you need:
        323i Throw Out Bearing P/N 21-51-1-204-525
        M20 Flywheel Bolts P/N 11-22-7-805-885
        You also have to remove the thin spacer ring that is riveted to your dual mass and put in on your new flywheel - you don't need to re-rivet it. Search in the M42Club site for more info.

        Be aware that the Ebay part you referenced is not an M20 flywheel.

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          #5
          Yea its an m5x/s5x flywheel but I think it should still work, the m42 block is basically the same as a m50nv. Thanks for the PN's should be able to make it work when I feel like taking things apart. For that price it cant hurt to try coming from the vw world im kind of shocked at how much bmw flywheels cost

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            #6
            I'm not so sure...the M42 flywheel is 215 mm dia and the M50 is 228. If nothing else the starter probably won't line up - starter ring on flywheel too big. Besides you can get the M20 flywheel of a lot less than $250 (they're usually around $100-$150) and they weigh less than 14.5 lbs.

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