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Thread: Engine swap Plug question

  1. #1
    Join Date
    Sep 2012
    Location
    Chicago
    Posts
    4
    My Cars
    1984 318i S54 Swap

    Engine swap Plug question

    I'm just finishing up a s54 swap into an e30 and have a few plugs that I'm not sure where they go.
    Plug 1 (Wire runs out of the black plastic box under the Primary Air pump)

    IMG_0002.jpg

    Plug 2 (Wire is close to where the harness enters the car)
    IMG_0003.jpg

    Plug 3 (Right next to plug 2)
    IMG_0004.jpg

    Thanks to the S54 Gurus!
    1984 318i S54 Swap

  2. #2
    Join Date
    Dec 2006
    Location
    San Jose, CA
    Posts
    1,272
    My Cars
    00 750IL, 01 740IL
    Plug 3 most certain that is for maf sensor

    Sent from my VS995 using Tapatalk

  3. #3
    Join Date
    Aug 2017
    Location
    Menlo Park
    Posts
    87
    My Cars
    '05 ///M3
    Are intake cam and crank sensors plugged in? Could be one of those. +1 on #3 being MAF.

  4. #4
    Join Date
    Sep 2012
    Location
    Chicago
    Posts
    4
    My Cars
    1984 318i S54 Swap
    I think plug 2 plugs into the brake booster. Can anyone confirm?


    Sent from my iPhone using Tapatalk
    1984 318i S54 Swap

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