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Thread: Caliper mounting bolt

  1. #1
    Join Date
    Jul 2017
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    Oxford, MS
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    2010 BMW 528xi 2001 530i

    Caliper mounting bolt

    The two bolts that hold the caliber onto the bracket what grade and size are they? I need to fix this tomorrow one fell out and I’m not sure if I’m going to have a luck at local auto parts so I may try a hardware store I just have to make sure to match the grade


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    2005 RHD TJ Sport
    2010 BMW 528xi

  2. #2
    Join Date
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    The grade is marked on the head. They're likely 8.

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  3. #3
    Join Date
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    2001 525it
    I bet it's 12.9 order the from the dealer, get the right bolts.

  4. #4
    Join Date
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    Probably 10.8 or 12.9 metric. Might be stamped on top.

  5. #5
    Join Date
    Jul 2017
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    Oxford, MS
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    2010 BMW 528xi 2001 530i
    M 12 1.5 which I’m having a devil of a time trying to find to make sure that my wife can get to work tomorrow


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    2005 RHD TJ Sport
    2010 BMW 528xi

  6. #6
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    It’s not a very common thread to find when looking locally. Try an ace hardware. Not HD or Lowes.

  7. #7
    Join Date
    Jul 2017
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    2010 BMW 528xi 2001 530i
    Ace had the thing on the wall to find the right size. Just wasn’t in stock.

    Called out half the day at work tomorrow to make sure it gets fixed and take my wife to work.

    Gonna try Fastnal and NAPA. I’ll also call the local Indie that does work in the event it’s something I can’t do. Maybe they have one


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    2005 RHD TJ Sport
    2010 BMW 528xi

  8. #8
    Join Date
    Jun 2005
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    New England
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    F90 M5; E36 M3 Turbo
    Local indie should have bins of spare bolts but bring a sample of a nut to make the hunting easier if he is not organized. I am just a diyer and have boxes of them. Fastenal often wants you to buy a bag of 25 or box of 100.
    Last edited by pbonsalb; 03-05-2018 at 08:20 AM.

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