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Thread: Putting a m60 motor in my 97 740il

  1. #1
    Join Date
    Dec 2017
    Location
    Salem,Oregon
    Posts
    3
    My Cars
    95,97 740il

    Putting a m60 motor in my 97 740il

    Good morning,

    I have seen a lot of posts about swapping motors and it is a 50/50 for easy to don't do it. My 97 740il is in great shape inside and out, but the motor wont run very well and wont start when it is cold (along with smoking a lot) So I pick up a 95 740Il that has a great motor and some other parts I might swap. Since the 97 has the ODB-II and the 95 OBD-I I am assuming that I have to swap out the wiring harness as well? Correct? Do you need to bring the computer over from the 95 as well?

    Any help would be great thanks.

  2. #2
    Join Date
    Feb 2009
    Location
    KC North, MO, USA
    Posts
    11,153
    My Cars
    1996 740iL
    A few members here have done it. I don't think they swapped harnesses but adapted a few things to make the original harness work.

    https://www.bimmerforums.com/forum/s...2-swap-success

    He is an active member and may be able to answer questions about any issues he ran into later.

  3. #3
    Join Date
    Feb 2012
    Location
    Bottom of a Bottle
    Posts
    2,263
    My Cars
    96 740il, XJS & CBR1000F
    Quote Originally Posted by Ckhoss View Post
    Good morning,

    I have seen a lot of posts about swapping motors and it is a 50/50 for easy to don't do it. My 97 740il is in great shape inside and out, but the motor wont run very well and wont start when it is cold (along with smoking a lot) So I pick up a 95 740Il that has a great motor and some other parts I might swap. Since the 97 has the ODB-II and the 95 OBD-I I am assuming that I have to swap out the wiring harness as well? Correct? Do you need to bring the computer over from the 95 as well?

    Any help would be great thanks.
    Yes you do it's a very tough job and not for the faint hearted.


    Quote Originally Posted by Mayorchuck View Post
    https://www.bimmerforums.com/forum/s...2-swap-success

    He is an active member and may be able to answer questions about any issues he ran into later.
    This thread confuses me he says he put a m62 in a 95 but he also says he didn't want to replace the m60 because of guide failure?

    https://www.bimmerforums.com/forum/s...9#post28304599



    The nightmare of having someone do it for you.

    https://www.bimmerforums.com/forum/s...gine-installed!!!
    Last edited by Hueristic; 12-18-2017 at 02:10 AM.
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  4. #4
    Join Date
    Mar 2013
    Location
    Sonora, ca
    Posts
    706
    My Cars
    2001 740il

    Putting a m60 motor in my 97 740il

    It can be done with 97 harness but you need to understand how the cam timing works on the 97 harness. 95 uses a dowel pin for tdc where the 97 uses a reluctor ring and must be in exactly the same location and you will use the flywheel off the 97 for crank trigger, not the dampener location on 95 other than that easy-peasy I would also use the headers from the 95
    Edit: you can use the m60 intake but the m62 intake will make a torque monster something you can play with.

    Sent from my iPhone using Tapatalk
    Last edited by Sundaycruzer; 12-19-2017 at 10:01 AM.

  5. #5
    Join Date
    May 2008
    Location
    Philsdelphia
    Posts
    455
    My Cars
    1986 e24 635csi, 1999 Saab 93, 1992 Saab 9000 turb
    Much easier done on your car. I went from a vanos 99 car to a 98 740i harness to run the M60. Need to correctly locate tdc on the 97 engine/cam reluctor wheel and space it correctly to the cam sensor on the right bank. 20 thou clearence. Also need to change the flex plate to the one on your 97 timing gear. M60 is magnetic, M62 hall effect.

    Sent from my VS995 using Tapatalk

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