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Thread: Engine swap

  1. #1
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    Engine swap

    Hello all. Hello all. I have a fully custom 840ci. I've had it for for 13 years and am thinking its time to upgrade the engine. Is there one in particular that you guys would reccomend

  2. #2
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    The E38 boys love sticking the S62 in their 740's!
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


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  3. #3
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    Quote Originally Posted by Timm View Post
    The E38 boys love sticking the S62 in their 740's!
    Thank you for the input

  4. #4
    Join Date
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    I fantasize about a BMW straight-six turbodiesel (say N57, for example) in an E31, preferably with a manual transmission. I doubt there's a single "830d" anywhere in the States. I've given enough thought to this idea to research stand-alone engine controllers capable of running that engine, but of course you've got a million other things to look at -- instrumentation for one. It would be a tall order but an awesome build. Same or better performance, probably close to double the fuel economy, and just the "oddity appeal."

    Cheers, John

  5. #5
    Join Date
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    1995 840Ci, 2013 X5
    I've done a fair amount of research on this. There are two economically reasonable options: forced induction or if you have a pre-1996 car, drop in a M62 and manage it with M60 electronics. The resulting hybrid is called an M60B44. Both options have been built many times and are easy to learn about and replicate. I'm going down the latter route. Changing to a 3.64 diff will also perk things up, although it makes absolutely no difference in 0-60.

    Brett

  6. #6
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    Quote Originally Posted by Custom8series View Post
    Hello all. Hello all. I have a fully custom 840ci. I've had it for for 13 years and am thinking its time to upgrade the engine. Is there one in particular that you guys would reccomend
    Pics please. You will need to establish a budget for the swap, and then create a parts list within said budget. That will decide what engine to use. A big cube LS and a 6 speed would be my choice.
    Desecrator of all things Sacred

  7. #7
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    Quote Originally Posted by 72tpik5 View Post
    Pics please. You will need to establish a budget for the swap, and then create a parts list within said budget. That will decide what engine to use. A big cube LS and a 6 speed would be my choice.
    I don't remember how to post pics

  8. #8
    Join Date
    Jan 2012
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    If you are in Cali, I suggest you relocate to a different state. It would be a Pita and $$$ to get a Bar'd e31 w/s62. Sure, some may say I've got a friend who works at a Star station, but he'd better be open for business for as long as you own the car.

  9. #9
    Join Date
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    Quote Originally Posted by e31bev View Post
    If you are in Cali, I suggest you relocate to a different state.
    It's good advice completely independent of the actual topic.

    Cheers, John

  10. #10
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    Quote Originally Posted by Custom8series View Post
    Hello all. Hello all. I have a fully custom 840ci. I've had it for for 13 years and am thinking its time to upgrade the engine. Is there one in particular that you guys would reccomend
    Adding a supercharger to your 840 is no doubt the cheapest and easiest option to upgrade the performance, and remain emissions legal. As you have probably gathered by the lack of response to your post, swapping the engine on an 8 series is sacrilege around here.
    Desecrator of all things Sacred

  11. #11
    Join Date
    Jul 2007
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    Cave Creek, AZ
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    1993 850ci 2001 M5 / Z3M
    Maybe this will fit: http://v12ls.com/


    Regards,

    Brian
    Cave Creek, AZ

  12. #12
    Join Date
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    Quote Originally Posted by bdiefAZ View Post
    Maybe this will fit: http://v12ls.com/
    And here we go...
    Desecrator of all things Sacred

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