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Thread: Are M54B25s different?

  1. #1
    Join Date
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    Are M54B25s different?

    Trying to determine if the M54B25 is different between 3's and 5's. The reason I am asking is that I may be in need of a decent long block for a 2003 525i. In discussing this with LKQ parts they list THAT car on a separate line than a 2001 325i. I am aware of what is hung on the engine is different between these two cars, but I am ONLY interested in the bare long block, not a dressed engine.

  2. #2
    Join Date
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    Houston, TX.
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    15 X5, 02 330i, 09 MiniS
    Harness and oil pan need to be swapped to the application. Longblock is the same.
    Tenured Automotive Service Professional - Avid BMW Enthusiast

  3. #3
    Join Date
    Jul 2010
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    04 M3, 02 E39, 01 46 M3T
    Makes sense. Thanks.

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