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    • DCT Build Part XII - Build complete, pictures of final assembly, transmission cooler, and Viton seals

      Well, this has been a rather lengthy road to completion but the transmission is basically complete. The car was dropped off by SSP last month to Gintani who should have the motor in by the end of this week. The problem is SSP mounted their trans cooler in the location the heat exchanger for the supercharger needs to go so SSP will need to come to Gintani's facility to re-run their lines as the cooler will need to go in a different location. What took so long for this update? Well, we have been waiting, and waiting, and waiting for SSP to send us details on the Viton seals that required 3 redesigns but never received the information on why these seals are superior to the stock units.

      So, I decided to do my own research and here is what I came up with. These are the stock BMW seals used in the DCT. What is wrong with them exactly? We do not know other than they apparently are not up to the task:










      Here are the Viton seals which delayed the project by 3 months. Viton is a synthetic rubber used for seals, O-rings, things of that sort. Viton was likely used as it is less susceptible to decay and already used in BMW applications such as in VANOS. Viton has much higher temperature and chemical resistance characteristics than the stock seals. Here is what they look like:










      This is the DCT cooler that was mounted by SSP up front. This needs to be moved somewhere else as the supercharger heat exchanger will need to go there. This means SSP will need to come out and run their lines again checking all their fluids and so forth before tuning can take place:














      This is the final assembly. So, the transmission is built but it took about a year longer than estimated. I believe I was as patient as possible and hopefully this will all be wrapped up in December with a built motor, built transmission, a YSI, and a ton of horsepower.






































      This article was originally published in forum thread: M3 DCT Build Journal - World's First BMW DCT Build started by Sticky View original post
      Comments 2372 Comments
      1. lughed's Avatar
        lughed -
        sticky that is the exact reason why you're thread went to $#@!. But see what happen when real relevant updates are given. People don't have to come on here just to talk $#@! and can actually congradulate you
      1. Black Sheep's Avatar
        Black Sheep -
        Click here to enlarge Originally Posted by lughed Click here to enlarge
        sticky that is the exact reason why you're thread went to $#@!. But see what happen when real relevant updates are given. People don't have to come on here just to talk $#@! and can actually congradulate you
        you are still talking?
      1. ecampbell's Avatar
        ecampbell -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Just do our own thing our own rental.
        Are you confirmed for Chicago in June?
      1. lughed's Avatar
        lughed -
        Click here to enlarge Originally Posted by Black Sheep Click here to enlarge
        you are still talking?
        nah, Sticky car or thread is not important for me to go back n forth. I just tried expressing some things but I won't go down to his childish level so I'm done. Things don't get through to close minded people
      1. lulz_m3's Avatar
        lulz_m3 -
        Congrats sticky, really happy for you man. ...but seriously, can we now call the N54 the euro 2JZ?
      1. benzy89's Avatar
        benzy89 -
        Congrats to everyone who participated in the build & glad to hear you got the M back.



        Most interested to hear what changes were made to the DCT (both software & physical components) to withstand the significantly higher HP/TQ numbers.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by ecampbell Click here to enlarge
        Are you confirmed for Chicago in June?
        I mean we need to work out the details/dates but ya it's cool with me.
      1. fastgti69's Avatar
        fastgti69 -
        Damn, I wanna come out and play in June. If I hit my 700whp goal of course.
      1. Black Sheep's Avatar
        Black Sheep -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        I mean we need to work out the details/dates but ya it's cool with me.
        Yey!
      1. Linracing's Avatar
        Linracing -
        congrats man.
      1. crazylegs's Avatar
        crazylegs -
        Click here to enlarge Originally Posted by lughed Click here to enlarge
        nah, Sticky car or thread is not important for me to go back n forth. I just tried expressing some things but I won't go down to his childish level so I'm done. Things don't get through to close minded people
        pretty sure thats another reply ^^^

        congrats sticky! sounds perfect
      1. oldgixxer's Avatar
        oldgixxer -
        Congrats Sticky!
        Hope to see the car if your East Coast travels bring you close to NY
      1. JRCART's Avatar
        JRCART -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        I mean we need to work out the details/dates but ya it's cool with me.
        I think what Earl was asking is are you registered for Wannagofast event in Chicago in June.

        Event is sold out waiting list is 8-10 deep.
      1. nafoo's Avatar
        nafoo -
        Click here to enlarge Originally Posted by LZH Click here to enlarge
        Your retarded.
        You're*

        Don't forget about this @Sticky @JRCART @ecampbell

        http://www.texasmile.net/

        October 25-27
      1. JRCART's Avatar
        JRCART -
        Click here to enlarge Originally Posted by nafoo Click here to enlarge
        You're*

        Don't forget about this @Sticky @JRCART @ecampbell

        http://www.texasmile.net/

        October 25-27
        Yep, already on my calendar, I mentioned it in this thread somehwere along the line in the past few weeks.
      1. nafoo's Avatar
        nafoo -
        Click here to enlarge Originally Posted by JRCART Click here to enlarge
        Yep, already on my calendar, I mentioned it in this thread somehwere along the line in the past few weeks.
        Nice, it's a shame registration isn't until August. I'll put it on my calendar as well. Who know's maybe my VTX-R63 will be installed and running by then Click here to enlarge
      1. TZ04XJR's Avatar
        TZ04XJR -
        Click here to enlarge Originally Posted by JRCART Click here to enlarge
        Yep, already on my calendar, I mentioned it in this thread somehwere along the line in the past few weeks.
        Click here to enlarge Originally Posted by nafoo Click here to enlarge
        Nice, it's a shame registration isn't until August. I'll put it on my calendar as well. Who know's maybe my VTX-R63 will be installed and running by then Click here to enlarge
        Good to know you guys plan on attending. I typically make every event but skipped this last one because I was worn out from TX2k. I'll be happy to see some Euro muscle down there. Last October there were countless CTS-V's, GT500's and Z06's.
      1. LZH's Avatar
        LZH -
        Click here to enlarge Originally Posted by nafoo Click here to enlarge
        You're*

        Don't forget about this @Sticky @JRCART @ecampbell

        http://www.texasmile.net/

        October 25-27
        C'mon dude...correcting grammar ? I really didn't feel that retard deserved more than 2 words much less, proper punctuation.
      1. nafoo's Avatar
        nafoo -
        Click here to enlarge Originally Posted by LZH Click here to enlarge
        C'mon dude...correcting grammar ? I really didn't feel that retard deserved more than 2 words much less, proper punctuation.
        It's just a pet peeve Click here to enlarge

        If you're going to insult someone, at least do it correctly!
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by JRCART Click here to enlarge
        I think what Earl was asking is are you registered for Wannagofast event in Chicago in June.

        Event is sold out waiting list is 8-10 deep.
        No, I am not, not even really familiar with this event.