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Thread: N74 B66B swap begins… with a long road ahead

  1. #26
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    Quote Originally Posted by petejk View Post
    $90k seems optimistic, even for a TT car


    Sent from my iPhone using Tapatalk

    I don't understand 'optimistic' ? This I DO KNOW --> This twin turbo M73 blue 850ci sold for $72,000 seventy-two thousand dollars US. about 4 years ago. The pvt. dealer in Santa Fe, NM sold it. Pretty sure the car went to a European buyer.

    Can we get back on topic for this thread? which is --> N74 into e31 .....
    Last edited by CD05001CIA; 12-01-2021 at 01:03 PM.

  2. #27
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    Quote Originally Posted by CD05001CIA View Post
    I don't understand 'optimistic' ? This I DO KNOW --> This twin turbo M73 blue 850ci sold for $72,000 seventy-two thousand dollars US. about 4 years ago. The pvt. dealer in Santa Fe, NM sold it. Pretty sure the car went to a European buyer.

    Can we get back on topic for this thread? which is --> N74 into e31 .....
    lol, on that note here’s all I got for now
    https://fb.watch/9DBIXtdSst/

  3. #28
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    Quote Originally Posted by CD05001CIA View Post
    Can we get back on topic for this thread? which is --> N74 into e31 .....
    To be fair, you’re the one who brought the M73 into this thread originally..


    Sent from my iPhone using Tapatalk

  4. #29
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    Quote Originally Posted by mrtroyboy View Post
    lol, on that note here’s all I got for now
    https://fb.watch/9DBIXtdSst/
    Dang that thing is HUGE it looks like something from a medium duty truck hanging on the hoist!

  5. #30
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    Quote Originally Posted by CD05001CIA View Post
    I believe this color was called 'Orient Blue'...


    Seems to match an alleged Orient Blue I have on file.


    1395 eights produced in this according to 8coupe dot com.
    IOW's not uncommon.
    Dark, Montreal, Midnight? I don't think so.
    And Velvet Blue channels lavender significantly.
    Now back to M73 and N74.

  6. #31
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    Project E31 N74 Swap Preview! (Episode 1)
    For our first episode of the N74 swap, we show off the beautiful E31 BMW 850ci that will be receiving the beastly N74B66TU motor. In our next episode we will...


  7. #32
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    Last edited by mrtroyboy; 04-21-2022 at 07:40 PM.

  8. #33
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    Quote Originally Posted by mrtroyboy View Post

    Wow, what a project!!
    Can't wait for the new dry sump design!

  9. #34
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    Great scott that engine on the pallet looks like something out of a medium duty truck! What a beast

    EDIT wait I made this comment already! LOL /idiot

  10. #35
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  11. #36
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    Quote Originally Posted by mrtroyboy View Post
    Nice! Who did you find to fabricate the dry sump? What is the projected cost to fabricate if you don't mind me asking?

  12. #37
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    Why is the OE oil pump still mounted?
    '91 Dinan 860 Stage III (new 6L engine)
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  13. #38
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    Quote Originally Posted by dragon850 View Post
    Nice! Who did you find to fabricate the dry sump? What is the projected cost to fabricate if you don't mind me asking?
    Shoot me an email

    - - - Updated - - -

    Quote Originally Posted by cartoonz View Post
    Why is the OE oil pump still mounted?
    It will be replaced with an external oil pump.

  14. #39
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    Good luck with this interesting project.

  15. #40
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    IMG_0179.jpgIMG_0178.jpgIMG_0177.jpgIMG_0176.jpgDrysump fabrication completed. Now on to the trans and controller

  16. #41
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    Unbelievably awesome!!!

  17. #42
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    Are you going to be keeping it TT or NA?
    Does the suspension need to be modyfied?

  18. #43
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    Had a 1991 BMW 850
    Top Notch Fabrication

  19. #44
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    Quote Originally Posted by Fatandre View Post
    Are you going to be keeping it TT or NA?
    Does the suspension need to be modyfied?
    Yes we are going to keep it TT but with Hybrid turbos. The suspension will most likely have to be modified but we will not know to what extent until we see how the N74 sits in the car.

  20. #45
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    interesting. Would be super cool if it fits without modification. I mean a s62 fits so why should this not.

  21. #46
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    Quote Originally Posted by Fatandre View Post
    interesting. Would be super cool if it fits without modification. I mean a s62 fits so why should this not.
    Modification is needed, the new oil pan.

  22. #47
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    That oil pan looks like it costs more than my whole car. Yowzaaaa

  23. #48
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    Last edited by mrtroyboy; 12-19-2023 at 08:08 PM.

  24. #49
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    Quote Originally Posted by mrtroyboy View Post
    Just watched it, awesome!! Very excited to see the project move along!

  25. #50
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    Hey dragon, I just ordered something from Germany also…. Thanks for your help. When it’s time I will ship the 850 to Ca to be installed.
    Last edited by mrtroyboy; 12-20-2023 at 03:22 PM.

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