1998 e36 1.9 Z3 - M44 supercharging thread - Page 9

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Thread: 1998 e36 1.9 Z3 - M44 supercharging thread

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  1.  
    #81
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    Quote Originally Posted by markrnorton View Post
    Ok, clutch replacement

    this is the old m44 dual mass flywheel, heavy , bulky and doesn't handle power made by the s/c


    doing some research it appeared that the single mass flywheel from a 318is may be a contender along with an uprated clutch.
    i managed to get hold of the single mass flywheel from an 318is. then i had another brainwave

    I measured an M3 3.0 E36 flywheel, ringgear was the same diameter and it had an 8 bolt fixing, same as the M44.

    So, bought an M3 chromoly lightened flywheel, this saved 7kgs over the original dual mass. RESULT



    then this, coupled with an M3 clutch and cover, which is significantly larger. Splines on the M3 clutch match the 1.9 getrag gearbox input shaft too.



    and then fitted to engine


    With the gearbox back on, the clutch cover still cleared the bellhousing and original clutch actuator arm is also compatible, just replaced the release bearing for a new one.
    Hi mate, any idea whether this same combination will fit the M42?
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    #82
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    I dont to be honest. I would guess yes, but i wouldn't bet my savings on it. Have a check over the part numbers and see if they match up with M42 (like the clutch release arm)
    Z3
     
     

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    Prince (12-01-2012)

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    #83
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    Quote Originally Posted by markrnorton View Post
    I dont to be honest. I would guess yes, but i wouldn't bet my savings on it. Have a check over the part numbers and see if they match up with M42 (like the clutch release arm)
    Thanks a lot mate. You've been a big help! Do you know what differences there are between the M3 and M3 Evo clutch?
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    #84
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    You will have to do the legwork on the clutch, it took me a couple of weeks to research it.

    However, the clutch and cover plate has to be from the M3 3.0, NOT the 3.2 and evo as it is different. I re-used the release arm from the m44 and a new bearing as this was the same as the M3 3.0

    Check the plate diameter, splines and depth of clutch cover. Most of the ringear/flywheels are the same from 4cylinder to 6cylinder.
    Z3
     
     

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    Prince (13-01-2012)

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    #85
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    Quote Originally Posted by markrnorton View Post
    You will have to do the legwork on the clutch, it took me a couple of weeks to research it.

    However, the clutch and cover plate has to be from the M3 3.0, NOT the 3.2 and evo as it is different. I re-used the release arm from the m44 and a new bearing as this was the same as the M3 3.0

    Check the plate diameter, splines and depth of clutch cover. Most of the ringear/flywheels are the same from 4cylinder to 6cylinder.
    I've already been on the case for about a week now but so far you've come up with the most information. I would like to think the clutch is the same from M42 to M44 but obviously cannot be sure yet. Again, thanks for the help! I really appreciate it.
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    #86
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    My gut feel is if you have an 8 bolt flywheel (bolts to end of crankshaft) it would fit. The 6 bolt style wont fit
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    #87
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    Quote Originally Posted by markrnorton View Post
    My gut feel is if you have an 8 bolt flywheel (bolts to end of crankshaft) it would fit. The 6 bolt style wont fit
    I would imagine it to be the same as yours but I suppose the next task is to find out if the M42 and M44 set ups are the same. Where did you get the flywheel from?
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    #88
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    Flywheel was off ebay ! M3 3.0 one (chromoly and lightened). significantly lighter than the standard dual mass, made a big difference.
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    #89
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    Quote Originally Posted by markrnorton View Post
    Flywheel was off ebay ! M3 3.0 one (chromoly and lightened). significantly lighter than the standard dual mass, made a big difference.
    Sweet! I'll have a good look and see what I can find. Thanks again .
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    #90
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    hello again mark im back to pester you again!
    i always knew my standard clutch wouldnt handle full bore starts etc but now its even starting to let go in gear when planting the loud pedal!
    and i see you used the m3 3.0 setup now i'm currently looking into a few different setups this being one of them and just thought i'd ask with the setup you have was the clutch heavy?
    and did you use the m3 clutch cylinder or did the m44 one do the trick?

    another setup i'm contemplating is the lightweight m20 fly with a e34 m5 clutch so just wandered if you looked into this while considering your setup?
    thanks again
    regards
    lee

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