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Thread: How to tighten front strut top nut?

  1. #1
    Join Date
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    1997 e36 M3 Sedan

    How to tighten front strut top nut?

    If you have done this, you know exactly what my issue is. The top nut is sunken in to the top mount, so you can't get an open end wrench around it, and you have to use a hex too in there to keep the shaft from spinning.

    I was able to tighten the bolt by using some big needle nose pliers to hold the nut while I used a socket to turn the hex. Not sure if I will be able to torque it down like that though.
    There must be a better way to do this.

    Thanks!

  2. #2
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    EXOTICS

  3. #3
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    Hell yeah, thanks man!

  4. #4
    Join Date
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    1997 328i
    You make your own tool. You take a socket for the large nut and grind two flats so you can use an adjustable wrench on the flats. Smaller driver will fit inside the larger.

    Wrong way to do this is to use vise grips to hold the piston.
    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
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  6. #6
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    99 M3

    How to tighten front strut top nut?

    Three different options!!

    Sent from my iPhone using Tapatalk
    Last edited by bluptgm3; 10-16-2017 at 11:06 AM.

  7. #7
    Join Date
    Jul 2011
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    Austin, TX
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    S54 E36 M3, E32 740il
    Quote Originally Posted by 303e36 View Post
    If you have done this, you know exactly what my issue is. The top nut is sunken in to the top mount, so you can't get an open end wrench around it, and you have to use a hex too in there to keep the shaft from spinning.

    I was able to tighten the bolt by using some big needle nose pliers to hold the nut while I used a socket to turn the hex. Not sure if I will be able to torque it down like that though.
    There must be a better way to do this.

    Thanks!
    Most guys just use an impact and hold the shaft by hand through the springs. You won't spin the shaft if you're even just a little careful. The hex hole usually strips out, so holding it is often the only option.

    -Josh: 1998 S54 E36 M3/4/6 with most of the easy stuff and most of the hard stuff. At least twice. 271k miles. 1994 E32 740il with nothing but some MPars. 93k miles.

  8. #8
    Join Date
    Jun 2007
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    98 328IS 03 325xi
    For $30 you can get one of these sets and use the 7/8" socket. https://www.menards.com/main/tools-h...9430009&ipos=1

    Gave away my BMWs, driving a VW and an Audi now.

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