Oil pump Question

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  • PEZ2
    Member
    • Feb 2008
    • 50

    #1

    Oil pump Question

    Got a new oil pump from BMW for a 2.9 build and noticed the “ cover plate” intake hole is misaligned with the port leading to the pump gears. It seems older pumps the plate and the port openings are in direct alignment. RealOEM list two cover plates to two different pumps but all other part are not pump specific. I have both covers and wanted to know which maybe best before I close up pan.
    Last edited by PEZ2; 11-15-2022, 11:59 AM.
  • TobyB
    R3V Elite
    • Oct 2011
    • 5185

    #2
    Do you mean on the pickup that hangs down in the oil pan?

    That's not going to matter much, as long as there's a free path for oil flow.

    Check the quality on that pump carefully- BMW doesn't typically make them, and their 'outsource'
    has historically been...

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

    Comment

    • PEZ2
      Member
      • Feb 2008
      • 50

      #3
      Yes the submerged pickup. “New” pump the oil has to take two 90 degree turns to enter the gear area, old straight line.
      Last edited by PEZ2; 11-15-2022, 03:36 AM.

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      • PEZ2
        Member
        • Feb 2008
        • 50

        #4
        Thought a photo would help

        Comment

        • TobyB
          R3V Elite
          • Oct 2011
          • 5185

          #5
          It does!

          And, no, I wouldn't worry about that. It's actually going to do a better job of not sucking up a rod bolt in the pan.

          Beyond that, it'll be fine, as the whole thing's submerged.

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

          Comment

          • ForcedFirebird
            R3V OG
            • Feb 2007
            • 8300

            #6
            Interesting. I have a pile of m20 pumps, will have to take a gander.
            john@m20guru.com
            Links:
            Transaction feedback: Here, here and here. Thanks :D

            Comment

            • PEZ2
              Member
              • Feb 2008
              • 50

              #7
              Now that we are have this exciting conversation on oil pumps I have a second question. Has anyone resurfaced the oil pump cover ?

              Comment

              • ForcedFirebird
                R3V OG
                • Feb 2007
                • 8300

                #8
                Yes, all the time.
                john@m20guru.com
                Links:
                Transaction feedback: Here, here and here. Thanks :D

                Comment

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