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    Engine ID Help

    Hello:

    I'm just trying to id an engine I bought. All of my searching has told me to look at the numbers on the machined flat spot by the dipstick. However, I do not have a flat spot there, it's on the other side of the engine mount. And it doesn't have the series of numbers and letters like everything I found said it should. See the pictures:




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    #2
    Google that number next to "bmw"

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      #3
      Engine ID Help

      1289 575 is an i block
      http://www.rtsauto.com/bmw-engine-an...ication-codes/

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      Last edited by DaWildBeast; 05-11-2019, 02:11 AM.

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        #4
        Originally posted by DaWildBeast View Post
        1289 575 is an i block
        http://www.rtsauto.com/bmw-engine-an...ication-codes/

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        1289575 isn't anywhere in that book under the m20 section.

        Is it unusual that the block only has that one number in the flat spot and not all the other codes?


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          #5
          Maybe this thread will help
          https://www.bimmerforums.com/forum/s...g-an-M20-motor


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            #6
            you can tell from the pistons
            89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

            new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

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              #7
              yeah, casting numbers don't really tell you much about what the block was machined into-
              looking at things like pistons, where the CPS is, casting number on the HEAD,
              how many bearings the cam has,
              etc, tells you a lot more.

              t
              now, sometimes I just mess with people. It's more entertaining that way. george graves

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