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Thread: E36 M3 Strut Bar Tower Nut Dimension Measurement

  1. 03-09-2023, 03:14 PM #1
    powershiftgear
    powershiftgear is offline Member
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    E36 M3 Strut Bar Tower Nut Dimension Measurement

    My friend just bought the E36 M3 strut bar to install for E36. I found a similar nut online that might be OK for him.

    Does anyone has a spare nut that you can help with the OD and H dimension shown below diagram?

    Very appreciated !


    Last edited by powershiftgear; 03-09-2023 at 04:42 PM.
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  2. 03-09-2023, 03:30 PM #2
    E36 Em Tree
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    https://www.ecstuning.com/b-oem-part...326760668~oes/
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  3. 03-09-2023, 04:41 PM #3
    powershiftgear
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    Quote Originally Posted by E36 Em Tree View Post
    https://www.ecstuning.com/b-oem-part...326760668~oes/
    should be this one, but they are very expensive to replace.... $11 each
    https://www.ecstuning.com/b-genuine-...h/51712268565/

    I would appreciate if someone can take measurement of their strut brace cap nut

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  4. 03-09-2023, 05:39 PM #4
    E36 Em Tree
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    Ah yeah my mistake. Theyre cheaper on FCP
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  5. 03-09-2023, 05:50 PM #5
    Jim E.
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    Going to assume you are asking about the E36 but the title to the thread says E46.

    Overall height is about 22.5 mm
    Overall diameter is about 17.9 mm
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  6. 03-09-2023, 05:55 PM #6
    Braymond141
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  7. 03-09-2023, 06:44 PM #7
    powershiftgear
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    Quote Originally Posted by Jim E. View Post
    Going to assume you are asking about the E36 but the title to the thread says E46.

    Overall height is about 22.5 mm
    Overall diameter is about 17.9 mm
    Sorry for the typo, I already corrected.

    Thank you Jim E and Braymond141 for the dimension, what about the smaller cylinder diameter and height?
    Last edited by powershiftgear; 03-09-2023 at 06:46 PM.
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  8. 03-09-2023, 06:59 PM #8
    Braymond141
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    What are you doing this for?

    That design above is based on an original but modified for use for other strut bars. I’m doing a production run soon.

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  9. 03-09-2023, 07:42 PM #9
    powershiftgear
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    Quote Originally Posted by Braymond141 View Post
    What are you doing this for?

    That design above is based on an original but modified for use for other strut bars. I’m doing a production run soon.
    my friend just want to get cheap alternative since getting full set of six is nearly $50, but I guess nothing works for him
    This type of nut is highly customized
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  10. 03-09-2023, 10:07 PM #10
    Jim E.
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    You should just buy a set from Brett.
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  11. 03-09-2023, 10:44 PM #11
    Braymond141
    Braymond141 is online now Member BMW E36 M3 Expert
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    Just buy them from BMW. It’s expensive but that’s because they cost a lot to produce.

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  12. 03-10-2023, 08:52 AM #12
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    RRSperry
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    Yep, just buy them. $66 in the grand scheme of things E36 isn't bad at all...lol That little octopus hose under the intake manifold? $108. A door seal? Good luck. Those little nuts are essential for doing what they do. Nothing else does the job, but they don't wear out, that's a plus.
    No matter where you go, there you are...
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  13. 03-13-2023, 07:56 AM #13
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    MParallel
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  14. 03-14-2023, 12:59 PM #14
    RBNetEngr
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    The finish on mine looks like crap, with spots of surface rust on them. Is powder coating a good option for them?


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  15. 03-14-2023, 01:09 PM #15
    Braymond141
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    Quote Originally Posted by RBNetEngr View Post
    The finish on mine looks like crap, with spots of surface rust on them. Is powder coating a good option for them?


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    No. Powdercoating scratches easy and will add too much bulk to the nut. They need to be black zinc, or black oxide coated.

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