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Thread: Engine Swap for a 2005 BMW X3 2.5i (e83)

  1. #1
    Join Date
    Mar 2018
    Location
    San Jose, California
    Posts
    3
    My Cars
    2005 BMW X3

    Post Engine Swap for a 2005 BMW X3 2.5i (e83)

    Hi,

    I have a 2005 BMW X3 2.5i. Unfortunately a couple months back, the piston blew inside the engine and the engine got damaged and does not run anymore. It has a M54B25 engine. I found a M54B30 engine on craigslist and was wondering if I could put this engine into my SUV? Would I need any parts for this? Is all the wiring the same?

  2. #2
    Join Date
    Jul 2004
    Location
    Houston, TX
    Posts
    12,526
    My Cars
    36 Cylinders
    M54B30 will fit, most everything is the same except the size of the intake tract, so you should use the m54b30 complete intake tract with it. Also you need to use m54b30 injectors and MAF.

    Computer will need a quick flash programming to run the 3.0 correctly, but it's not a hard thing.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

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