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Thread: ZF PS pump drain plug

  1. #1
    Join Date
    Apr 2017
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    Schenectady, NY
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    1995 BMW M3/2/5

    ZF PS pump drain plug

    While my rack is being rebuilt I thought it was a good time to rebuild my power steering pump with a seal kit from FCP Euro. Everything went smooth aside from the power steering drain plug. As I backed it out it took all the threads on the plug with it, not the threads from the pump thankfully. Upon inspection the plug has a recess in the middle where it looks like a factory sealant is used. It's a regular M14X1.25 plug but I'm concerned with putting a normal drain plug back in its' place. For the life of me I can not find another. Real OEM didn't have a breakdown of the pump itself. Anyone ever run into this?

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  2. #2
    Join Date
    Oct 2003
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    Seattle
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    99 M3

    ZF PS pump drain plug

    I did not think that plug was removable or was not intended to be removed. You could contact ZF directly, however their pump is NLA.
    A machine shop should be able to create a plug.
    Have you tried MacMaster-Carr?


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    Last edited by bluptgm3; 12-20-2018 at 08:14 AM.

  3. #3
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    1995 BMW M3/2/5
    Perhaps it was not meant to, I saw a breakdown video where it had been removed. I think I will attempt to contact ZF, they have a spare parts request you can fill out so certainly worth a shot, as far as McMaster I could not find quite what I was hoping for. Thank you for the reply either way I did not think to contact directly.

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  4. #4
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    Can you post a pic of the bolt?
    Attn. NEWBIES: Use the search feature, 98% has already been discussed.
    Click the search button, select "search single content type", select the "e36 sub forum" specifically, try the "search titles" then try the "search entire posts".

  5. #5
    Join Date
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    I am kicking myself for not taking a picture. I'll have to head up to my shop and grab one. Fortunately I have another car to use for the time being

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  6. #6
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    1997 328i
    Just saw a video with the bolt. I think you can use a regular bolt, just use a new crush washer and use a bolt that is not longer than the original. Don't over torque.
    Attn. NEWBIES: Use the search feature, 98% has already been discussed.
    Click the search button, select "search single content type", select the "e36 sub forum" specifically, try the "search titles" then try the "search entire posts".

  7. #7
    Join Date
    Apr 2017
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    1995 BMW M3/2/5
    Quote Originally Posted by Eric93se View Post
    Just saw a video with the bolt. I think you can use a regular bolt, just use a new crush washer and use a bolt that is not longer than the original. Don't over torque.
    Most likely the route I will take. I'm just anxious to have everything back together. Rebuilt Rack and Pump. New inner and outer tie rods and all new res and lines. Should feel nice!

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