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Thread: Tool Kit Thumbscrew Replacement

  1. #1
    Join Date
    Jan 2007
    Location
    West Michigan
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    14,381
    My Cars
    98 540iA (Prd 11/97)

    Tool Kit Thumbscrew Replacement

    I don't know if anyone else has had this happen, but I thought I'd post up for the H*** of it.
    My tool kit thubscrew broke in half leaving part of the screw in the screw plug.


    You can get the replacement part from EAC tuning. Part #2 below. BMW part #71111179444.
    http://www.realoem.com/bmw/showparts...19&hg=71&fg=05


    - I used a knife to cut a notch in the broken off end of the screw and used a screw driver to back it out. Here's a shot of the small channel/groove I cut in the broken end of the screw.


    - Broken thumbscrew removed.




    - New thumbscrew from EAC.


    You can see the large single thread at the base of the screw.


    - Thread the thumbscrew in all the way past the single, special thread at the base of the screw. If you try to back the screw out now, it should just spin.




    Thanks Jared and Mark!
    Last edited by jamesdc4; 03-08-2012 at 01:07 PM.

  2. #2
    Join Date
    Jun 2010
    Location
    Shelbyville, Kentucky
    Posts
    174
    My Cars
    1999 BMW 528i
    +1. Same thing happened to mine.

  3. #3
    Join Date
    May 2007
    Location
    Cowtown -The Great NW
    Posts
    3,354
    My Cars
    2003 530iA
    Not yet, knock on wood, but Jamie you have an 8 cyl, so your pressure is higher.........
    Looking for a DIY? Parts? Check this out, it might be your ticket

    Stable: e92is, e53 N62, e46M54B25, Tribby & e39 M54B30 R.I.P.

  4. #4
    Join Date
    Sep 2009
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    USA
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    any time, any place
    I've broken one. It was a real pain to get the old broken threads out of there.

  5. #5
    Join Date
    Jan 2007
    Location
    West Michigan
    Posts
    14,381
    My Cars
    98 540iA (Prd 11/97)
    Quote Originally Posted by Doru View Post
    Not yet, knock on wood, but Jamie you have an 8 cyl, so your pressure is higher.........

    Quote Originally Posted by Mark@EACTuning View Post
    I've broken one. It was a real pain to get the old broken threads out of there.
    I think I got lucky. It was a clean break.

    Thank you for the prompt, excellent service (Got the jack pads, too.).
    Quote Originally Posted by jamesdc4 View Post
    Now all that is left is to install the missing one and store the spares after I have a chance to inspect the remaining three originals.


  6. #6
    Join Date
    May 2004
    Location
    Ohio
    Posts
    5,643
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    540i/6, 02 Excursion Pow
    Nice!!!
    "If everything seems under control, you're not going fast enough. - Mario Andretti"

  7. #7
    Join Date
    Sep 2009
    Location
    USA
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    any time, any place
    Any time James! Any time.

  8. #8
    Join Date
    Jun 2009
    Location
    North Pekin,IL.
    Posts
    253
    My Cars
    1997 540i /6
    Mine broke, so I just made one out of steel. I dont think I will ever have that problem again.lol.

  9. #9
    Join Date
    Jan 2007
    Location
    West Michigan
    Posts
    14,381
    My Cars
    98 540iA (Prd 11/97)
    Quote Originally Posted by devildog0341 View Post
    Mine broke, so I just made one out of steel. I dont think I will ever have that problem again.lol.
    Pic?

  10. #10
    Join Date
    Dec 2009
    Location
    Toronto,ON,Canada
    Posts
    4
    My Cars
    2000 540i
    On the "to do" list. Thanks for the part #

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