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Thread: E36 euro m3 front diff bolt snapped

  1. #1
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    E36 euro m3 front diff bolt snapped

    Finally snapped the front diff bolt on my euro m3 210mm diff. Im wondering if the AA diff support brace or the max psi weld on brace will work for me? Or just upgrading to stiffer bushings and a grade 12.9 bolt would cut it?

  2. #2
    Join Date
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    Canberra, Australia
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    93' Turbo 325i Coupe
    AA brace should do the trick. It's designed to stop the diff twisting which I believe is what causes that bolt to snap. I made my own version of the brace and seems to be working well so far holding things together.

  3. #3
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    Got poly AKG bushings for subframe and diff and replacing the snapped bolt with this larger grade 12.9 M14x1.5x80 bolt. Hopefully that holds
    Attached Images Attached Images

  4. #4
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    Quote Originally Posted by SmRaD View Post
    Got poly AKG bushings for subframe and diff and replacing the snapped bolt with this larger grade 12.9 M14x1.5x80 bolt. Hopefully that holds
    I have an AA diff brace I was going to put up for sale. If your interested let me know. Went to a custom subframe so I don't need it anymore.

  5. #5
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    Quote Originally Posted by Colby Colbs View Post
    I have an AA diff brace I was going to put up for sale. If your interested let me know. Went to a custom subframe so I don't need it anymore.
    I have the m3 evo rear end. The front diff bushing and subframe are connected at like a 45 degree angle up from the bottom of the subframe when i was looking at it so i dont think the AA brace would work

  6. #6
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    Quote Originally Posted by SmRaD View Post
    I have the m3 evo rear end. The front diff bushing and subframe are connected at like a 45 degree angle up from the bottom of the subframe when i was looking at it so i dont think the AA brace would work
    Yeah its only for the 188mm diffs us weaklings have lol

  7. #7
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    20210716_135434_HDR.jpg

    Hopefully this M14 grade 12.9 bolt holds up with the new bushings

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