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Doing an s38 swap

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  • e30m3ochoa
    replied
    Originally posted by ttrousdell View Post
    I wish i knew what driveshaft. I bought my m30 swap prior to the s38 swap and used that. Are you planning to use the G280 M5 tranny, G260 M30 tranny or something else? The tranny will effect your driveshaft choice. Find out what driveshaft the m30 swap guys are using and that will prob work for you.

    M20 ecu will not work. You need the black label 350 ecu. My reccomendation is to buy a complete engine bc its hard to find individual s38 parts like ecu, harness, etc.

    The swap is more difficult then many think. I dont want to discurage you because it is a fun combo. Do some more research .
    How long did it take you to do the actual swap?

    Sent from my LG-H810 using Tapatalk

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  • e30m3ochoa
    replied
    Well I'm thinking of getting the g260. I think they are doing either the g260 or g280. Unfortunately found the engine just with the harness not with the ecu.

    I am aware that this is a pretty difficult swap to do but I can only imagine the actual outcome once it's all done.

    Sent from my LG-H810 using Tapatalk

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  • ttrousdell
    replied
    Originally posted by e30m3ochoa View Post
    That's awesome, so there is some work that goes into it. How about driveshaft. Which one was used to make it happen? Also, was the m20 ecu used or the m5 one?

    Sent from my LG-H810 using Tapatalk
    I wish i knew what driveshaft. I bought my m30 swap prior to the s38 swap and used that. Are you planning to use the G280 M5 tranny, G260 M30 tranny or something else? The tranny will effect your driveshaft choice. Find out what driveshaft the m30 swap guys are using and that will prob work for you.

    M20 ecu will not work. You need the black label 350 ecu. My reccomendation is to buy a complete engine bc its hard to find individual s38 parts like ecu, harness, etc.

    The swap is more difficult then many think. I dont want to discurage you because it is a fun combo. Do some more research .
    Last edited by ttrousdell; 11-29-2015, 06:49 PM.

    Leave a comment:


  • e30m3ochoa
    replied
    That's awesome, so there is some work that goes into it. How about driveshaft. Which one was used to make it happen? Also, was the m20 ecu used or the m5 one?

    Sent from my LG-H810 using Tapatalk

    Leave a comment:


  • ttrousdell
    replied
    http://www.r3vlimited.com/board/showthread.php?t=191125

    ^I did the swap. There is info on the wiring, my custom coolant setup. I used a G260, booster delete, stock headers can be used with treehouse CABs. and a little fire wall massaging.

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  • e30m3s54turbo
    replied
    E28 m5 or e24 m6 cooling system and thermostat housing.
    300m.de steel mounts
    http://www.300mm.de/typ2/typ2.html
    20mm subframe spacer
    http://www.300mm.de/spezial.htm
    On brake booster you can modify aluminum intake.
    On fire wall it depends on engine position.

    On my project I used a s38 b35 motor and m5 radiator
    I had custom adjustable steel motor mounts.
    On my intake I had the intake modified just like Hartge did in their H35-24 swaps
    I pushed fire wall back to be able sit in postion II or III.
    My subframe has NO spacers.

    Leave a comment:


  • downforce22
    replied
    custom cooling setup
    e34 m5 trans
    motor mount arms
    spacers for motor mounts to frame, or modify hood, or both
    brake master modification
    custom exhaust
    firewall modification to fit the engine

    look at ttrousdell's s38 swap to see what problems he had

    i didn't do the swap on mine, but just some information after my own research.

    Leave a comment:


  • e30m3ochoa
    started a topic Doing an s38 swap

    Doing an s38 swap

    So I am about to get an s38b36 off a 91 m5 and wanted to know what I would need to make this swap happen into a 89 325i? I know a lot of people have asked but I can't really find much concrete info on it. Anything will be appreciated.

    Sent from my LG-H810 using Tapatalk
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