1994 E36 325i - fly wheel options.

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  1. 1994 E36 325i - fly wheel options. 
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    Crazyirish's Car Details
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    Ok just wondering what fly wheel options I have for my e36 325, the stock fly wheel is very heavy so looking for lighter options.

    Can I have mine machined to make it lighter, and if so at Wat cost.

    Or is there any direct replacements from other bmws such as the m20?
     
     

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    Quote Originally Posted by Crazyirish View Post
    Ok just wondering what fly wheel options I have for my e36 325, the stock fly wheel is very heavy so looking for lighter options.

    Can I have mine machined to make it lighter, and if so at Wat cost.

    Or is there any direct replacements from other bmws such as the m20?
    Yes the M20 can be fitted with m20 clutch parts. Not sure on the release brg as people report different things. There is also the issue of the flywheel which fouls the webbing on the sump but heard these can be ground back or have the flywheel machined.
     
     

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    Quote Originally Posted by wolvesdug View Post
    Yes the M20 can be fitted with m20 clutch parts. Not sure on the release brg as people report different things. There is also the issue of the flywheel which fouls the webbing on the sump but heard these can be ground back or have the flywheel machined.
    Ah yes I have heard about people grinding the fins from the sump off to clear the flywheel. Would I need a full m20 clutch or just pressure plate. How much lighter is an m20 fly wheel I'm assuming they are not duel mass.
     
     

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    Quote Originally Posted by Crazyirish View Post
    Ah yes I have heard about people grinding the fins from the sump off to clear the flywheel. Would I need a full m20 clutch or just pressure plate. How much lighter is an m20 fly wheel I'm assuming they are not duel mass.
    Dunno the weight but they are lighter as they are solid and not dual mass. I believe that you need the pressure plate and clutch plate. I am just un sure on the release brg. Oh and the m20 starter
     
     

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    Crazyirish (19-02-2011)

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    Quote Originally Posted by wolvesdug View Post
    Dunno the weight but they are lighter as they are solid and not dual mass. I believe that you need the pressure plate and clutch plate. I am just un sure on the release brg. Oh and the m20 starter
    Yea assumed I would also need an m20 starter. I suppose if I was to buy an m20 clutch then I'd get a release bearing with it that I could try.

    Think ill do more searching and see what others have done and if they have had much gains.
     
     

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    Just to add to this, I've used m20 single mass flywheel, clutch and starter on my m50 conversion.... I didn't have it lightened as its more fast road use than track, I had to grind parts of the sump away and I fitted smaller bolts in it.

    On the release bearing side of it I used an e30 item and e30 clutch slave and no clutch problems to report here guys. All is good

    Ant

    Alpine White 24v e30 FTMFW

    Stear With The Rear
     
     

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    Quote Originally Posted by e30-dk View Post
    Just to add to this, I've used m20 single mass flywheel, clutch and starter on my m50 conversion.... I didn't have it lightened as its more fast road use than track, I had to grind parts of the sump away and I fitted smaller bolts in it.

    On the release bearing side of it I used an e30 item and e30 clutch slave and no clutch problems to report here guys. All is good

    Ant
    Any noticeable gains, mate? Rev and throttle response wise I mean.
    There are only two products required to make the universe work properly: Duct tape and WD40. 


    If it moves (and it shouldn't): duct tape. 
If it doesn’t move (and it should): WD40.

    Everything else is just stuff.
     
     

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    The m50 engine responds very well to the m20 flywheel even in un lightened state imo, my uncle has an e36 325i and mine certainly picks up faster than his!
    Very responsive and yet at the same time not jerky at all so far as I've discovered so far since driving mine around for a week now.

    A worth while mod for the m50 lump mate imo, if you wanted to go further you could have it lightened, about 5.9kgs is the limit but in my honest opinion unless its a track car there aint no point! Mines a stock m20 item and my engine seems to love it

    Alpine White 24v e30 FTMFW

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    Quote Originally Posted by e30-dk View Post
    Just to add to this, I've used m20 single mass flywheel, clutch and starter on my m50 conversion.... I didn't have it lightened as its more fast road use than track, I had to grind parts of the sump away and I fitted smaller bolts in it.

    On the release bearing side of it I used an e30 item and e30 clutch slave and no clutch problems to report here guys. All is good

    Ant
    Do you know if all this would be the same if done on the M52 engine?
     
     

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