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E86 Front Triangulation Braces Retrofit

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    #31
    SendCutSend just approved the shared cart for the strut tower brackets. Added the link to the doc, but posting here as well:



    Looks like the price per set (of 4 parts) drops by roughly 35% if you order 5 sets. You guys could lump this one in with the CNC group buy for extra savings.

    George Hill
    2002 Topasblau M3 - Coupe - 6MT - Karbonius CSL Airbox - MSS54HP Conversion - SSV1 - HJS - Mullet Tune - MK60 Swap - ZCP Rack - Nogaros - AutoSolutions - 996 Brembos - Slon - CMP - VinceBar - Koni - Eibach - BlueBus - Journal

    2012 Alpinweiss 128i - Coupe - 6AT - Slicktop - Manual Seats - Daily - Journal

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      #32
      Another thought for you all considering this that aren’t handy with a weld torch - since we have scans of the strut tower brackets and CAD for the triangulation attach points, why not design an aluminum printable set of strut tower mounts? These would probably come in lighter and something like $300/ea. Just fanning the flame with more ideas.
      ‘02 332iT / 6 | ‘70 Jaguar XJ6 electric conversion

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        #33
        To Heinzboehmr - how much of a difference did you notice in structural integrity after you implemented this? Was it noticeable?
        ‘04 M3

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          #34
          Originally posted by Maxhouse97 View Post
          To Heinzboehmr - how much of a difference did you notice in structural integrity after you implemented this? Was it noticeable?
          Oh yeah, the difference is enormous. Have had a few friends do an AB test on the car and everyone has immediately noticed the difference.

          Wrote some better driving impressions at the end of this post: https://nam3forum.com/forums/forum/m...255#post312255
          2002 Topasblau M3 - Coupe - 6MT - Karbonius CSL Airbox - MSS54HP Conversion - SSV1 - HJS - Mullet Tune - MK60 Swap - ZCP Rack - Nogaros - AutoSolutions - 996 Brembos - Slon - CMP - VinceBar - Koni - Eibach - BlueBus - Journal

          2012 Alpinweiss 128i - Coupe - 6AT - Slicktop - Manual Seats - Daily - Journal

          Comment


            #35
            I feel like a complete kit, with all the materials and all the pieces, would be a hit...
            http://www.natehasslerphoto.com
            '99 M3, Hellrot/Sand Beige, slicktop
            '01 M3, Imola/black

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              #36
              Originally posted by Nate047 View Post
              I feel like a complete kit, with all the materials and all the pieces, would be a hit...
              Do it.
              ‘02 332iT / 6 | ‘70 Jaguar XJ6 electric conversion

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                #37
                Originally posted by Nate047 View Post
                I feel like a complete kit, with all the materials and all the pieces, would be a hit...
                Completely agree. Would be awesome if someone takes that on.
                2002 Topasblau M3 - Coupe - 6MT - Karbonius CSL Airbox - MSS54HP Conversion - SSV1 - HJS - Mullet Tune - MK60 Swap - ZCP Rack - Nogaros - AutoSolutions - 996 Brembos - Slon - CMP - VinceBar - Koni - Eibach - BlueBus - Journal

                2012 Alpinweiss 128i - Coupe - 6AT - Slicktop - Manual Seats - Daily - Journal

                Comment


                  #38
                  Originally posted by Bry5on View Post
                  Another thought for you all considering this that aren’t handy with a weld torch - since we have scans of the strut tower brackets and CAD for the triangulation attach points, why not design an aluminum printable set of strut tower mounts? These would probably come in lighter and something like $300/ea. Just fanning the flame with more ideas.
                  This is the route I was planning to go until I realized that you need adjustable camber plates to be able to install the brace - unfortunately makes it a no-go for me in NZ without going down the low volume vehicle certification path.
                  2005 ///M3 SMG Coupe Silbergrau Metallic/CSL bucket seats/CSL airbox/CSL console/6 point RACP brace/Apex ARC-8s
                  Build Thread:
                  https://nam3forum.com/forums/forum/m...e46-m3-journal

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                    #39
                    What am I missing her? Isn't the send cut send link the parts? And so they just need to be welded up or? I want to do this, my buddy down the street wants to do this.

                    Are we just referring to organizing and orchestrating a group buy? Because if so, I can do it

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                      #40
                      Originally posted by karter16 View Post

                      This is the route I was planning to go until I realized that you need adjustable camber plates to be able to install the brace - unfortunately makes it a no-go for me in NZ without going down the low volume vehicle certification path.
                      Why would you need adjustable camber plates? The custom strut tower brackets would go on top of the strut tower, not below it like a camber plate. Factory top mounts should work.

                      Edit: Elongated holes required to work with stock camber plates.
                      Last edited by Slideways; 10-14-2025, 09:30 PM.

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                        #41
                        Originally posted by karter16 View Post

                        This is the route I was planning to go until I realized that you need adjustable camber plates to be able to install the brace - unfortunately makes it a no-go for me in NZ without going down the low volume vehicle certification path.
                        You could slot the strut tower side holes in the braces and that might give you enough wiggle room to line everything up without camber plates. I haven't tried this though.

                        I can tell you that I just barely managed to squeeze these things in there with camber plates. Install makes it abundantly clear that the chassis was not designed with this type of bracing in mind

                        Also, the left side brace gets stupid close to the DME cubby, so you'll likely end up limited on the camber adjustment with the stock top hats.
                        2002 Topasblau M3 - Coupe - 6MT - Karbonius CSL Airbox - MSS54HP Conversion - SSV1 - HJS - Mullet Tune - MK60 Swap - ZCP Rack - Nogaros - AutoSolutions - 996 Brembos - Slon - CMP - VinceBar - Koni - Eibach - BlueBus - Journal

                        2012 Alpinweiss 128i - Coupe - 6AT - Slicktop - Manual Seats - Daily - Journal

                        Comment


                          #42
                          Originally posted by Slideways View Post

                          Why would you need adjustable camber plates? The custom strut tower brackets would go on top of the strut tower, not below it like a camber plate. Factory top mounts should work.
                          You do need them with the current design.

                          You specifically need the style where the studs can move independently from the top hat (e.g. the Turner ones). This is needed to account for the fact that the braces will always stay in the same spot, but the top hats will move around depending on camber settings.

                          I guess another option is to slot the holes in the strut tower brackets. I think that's how Slon solved this same thing.

                          Edit: Actually, karter16, slotting the holes in the brackets is 100% the way to go if you are planning on designing an entire new piece. Make them match the slotted holes in the strut towers and done.

                          Kinda hoping you go this route now. Would be a much more elegant solution than what I have on my car now.
                          Last edited by heinzboehmer; 10-13-2025, 11:03 PM.
                          2002 Topasblau M3 - Coupe - 6MT - Karbonius CSL Airbox - MSS54HP Conversion - SSV1 - HJS - Mullet Tune - MK60 Swap - ZCP Rack - Nogaros - AutoSolutions - 996 Brembos - Slon - CMP - VinceBar - Koni - Eibach - BlueBus - Journal

                          2012 Alpinweiss 128i - Coupe - 6AT - Slicktop - Manual Seats - Daily - Journal

                          Comment


                            #43
                            Precisely. Slot the holes! 3D print, powder coat, you’d never know it wasn’t factory.
                            ‘02 332iT / 6 | ‘70 Jaguar XJ6 electric conversion

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                              #44
                              Originally posted by heinzboehmer View Post

                              Edit: Actually, karter16, slotting the holes in the brackets is 100% the way to go if you are planning on designing an entire new piece. Make them match the slotted holes in the strut towers and done.

                              Kinda hoping you go this route now. Would be a much more elegant solution than what I have on my car now.
                              Ah I HAD misunderstood! for some reason I was envisaging needing forward/backwards movement. Excellent - I'll continue thinking this through then!
                              2005 ///M3 SMG Coupe Silbergrau Metallic/CSL bucket seats/CSL airbox/CSL console/6 point RACP brace/Apex ARC-8s
                              Build Thread:
                              https://nam3forum.com/forums/forum/m...e46-m3-journal

                              Comment


                                #45
                                Originally posted by Maxhouse97 View Post
                                To Heinzboehmr - how much of a difference did you notice in structural integrity after you implemented this? Was it noticeable?
                                Front end triangulation is one of the most noticeable mods I’ve done to the car.

                                2005 IR/IR M3 Coupe
                                2012 LMB/Black 128i
                                100 Series Land Cruiser

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