SME - Introduction and Rear Bracing options

Discussion in 'E46 M3 (2001-2006)' started by SME, Sep 9, 2018.

  1. 6 Apr 2019 at 4:02 PM #61
    Nakamiki

    Nakamiki A mere Chipper

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    Already got positive feedbacks here in France, a friend of mine will ask you bolted half roll cage ( as discussed) + weld-in kit + bolt in kit ( or included in the half roll cage) .

    Certainly next winter, you'll have some time.

    I would be interested in a "clubsport" half roll cage too. It should ideally allow kids to go in rear place on their seats, without any risk of head injuries in case of accident.
     
    Last edited: Apr 6, 2019
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  2. 6 Apr 2019 at 4:35 PM #62
    klan8456

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    I can't imagine how on earth that would work?
     
  3. 15 Apr 2019 at 11:49 PM #63
    rosscoe

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    Did you get it fitted OK?
     
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  4. 16 Apr 2019 at 5:53 PM #64
    Jaamesw

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    Ill put some photos up on my build thread now!
     
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  5. 26 Apr 2019 at 8:41 PM #65
    Nakamiki

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    Some extra feedback after 2 trackdays :
    - croix en ternois:
    It a small french track, in north of france, lap time approx 1min and top speed 185kmh, only a few corner.
    Weather was really bad, low adherence, and my first track day there...so comparison possible.
    Car was good, really good handling. M3 is from the beginning a good fellow, easy to deal with its oversteer, and the feeling is even improved. Now I have a feeling that the chassis flexibility is not any more the weakest point, but the coilovers that seem to touch their limits.

    -Spa
    Most of you should know this famous track, maybe the most fantastic in europe (for me the Ring is not a track but a "no limit country-side road"...).
    I've made my first trackday there with M3 on oct. 18, so quite fresh in mind, and except SME kits fitted, no more major improvement. Weather was the same ( fresh 10°, cloudy and sunny, some rain at end of the afternoon). Same set of tyres.
    Like first time, not so much people with this organisation, 60 car listed and booked, only 49 were here...like a private track.
    After some lap for warm up, set the tire pressure of federal, and set up'the coilover rebound I've driven for 340 km.
    Best lap in 3.01.19 , in oct was 3.06.90. ( same app: harry's)
    Top speed is quite the same with 213kmh ( gps)
    But the feeling really different as i've managed to make some changes in my driving, i think mainly because of the improved behavio of the car with SME's brace.
    Malmedy corner: no need to brake to slow down, on a slight release of throttle allow to go into the corner without any pumping feeling at the end of the corner
    Combes corners: entry speed increased with major improvement of stability, from 87kmh lower speed to 105kmh lower speed, and at exit of second corner iMm able to keep mid-track easier...

    Etc...
    So at the end i've noticed:
    - stiffer rear axle feeling
    -more comfortable ride
    - more stable, less wobble, follow front axle
    -no change in this e46 feeling, and how e46 communicate
    -easier and faster throttle at exit
    -real laptime improvement
    -increased confidence
    -less noises under stress from rear.

    from my point of view, it worth the money I've spent, and the time. Really happy with that.
     
    Last edited: Apr 26, 2019
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  6. 30 Apr 2019 at 12:21 PM #66
    SME

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    That's fantastic feedback, thank you very much. I'm glad you are enjoying it and were able to put it to good use straight away.
     
  7. 23 May 2019 at 8:27 AM #67
    SME

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  8. 1 Jun 2019 at 11:00 AM #68
    Nakamiki

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    few pictures after trimming + paint job :

    [​IMG]

    not spend many time, but I like my Track Toy to be clean, as it's also a daily and road legal car.

    [​IMG]

    this is the final finish after some cut in the side trim ( added an U shape stuff to have better looking ans openings are wider than required to get easy access to coilover rebound settings)

    [​IMG]
     
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  9. 1 Jun 2019 at 12:32 PM #69
    SME

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    Awesome stuff! It looks great with the internal brace slightly exposed like that. Nice trim work as well!

    Of course you can have it fully hidden as well if you like.
     
  10. 1 Jun 2019 at 5:58 PM #70
    Deeg01

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    I'm loving the look of this brace. I already have plates fitted but always worry if it is enough to stop anything from happening.
     
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  11. 1 Jun 2019 at 6:01 PM #71
    SME

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    Thanks! :beer:

    Personally I think unless the big hole in the chassis is closed off (see above) it is always a case of prevention rather than cure.
     
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  12. 1 Jun 2019 at 8:53 PM #72
    Nakamiki

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    I have the racp welded plates too... but floor is still "soft", it's correcting the cracking of the floor...so the plates are for treating symptoms, not really for curing the desease !
     
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  13. 3 Jul 2019 at 9:39 AM #73
    SME

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    I can now confirm the Bolt-in Brace fits the convertible models.

    Full video from Redish Motorsport incoming :)
     
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  14. 3 Jul 2019 at 11:55 AM #74
    monkeyboy

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    Is there a link to buy the bolt in brace?
     
  15. 3 Jul 2019 at 12:29 PM #75
    SME

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    Last edited: Jul 3, 2019
  16. 24 Jul 2019 at 6:08 AM #76
    dhdev

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    I bought an SME bolt in brace from Ben @ Hackengineering as I’ve converted to a rear coilover setup and wanted some extra reinforcement for the strut towers.
    The brace was easy to fit as it comes with a drilling template and all the necessary nuts and bolts. It’s super light and a lovely simple design that fits perfectly. I’ve not had a chance to drive it on the road/track, but when I do, I’ll report back.
    There are pics of the install on my Instagram @timeattack_m3
     
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  17. 24 Jul 2019 at 12:03 PM #77
    Nunga

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    ^ Have I misinterpreted by thinking you’ve gone from the standard spring/shock locations and gone to a true coilover design, where the spring is not inboard of the shock? Sorry, it might be a regarded question but I haven’t found photos of your suspension setup, only the clever install of the reservoirs.
     
  18. 24 Jul 2019 at 12:49 PM #78
    dhdev

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    Apologies, you’re right I haven’t stated that. The Nitron R3s are a true coilover rear, so I’ve replaced the standard divorced spring setup.
     
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  19. 24 Jul 2019 at 3:52 PM #79
    SME

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    Thanks for the shout out! :)

    As we spoke about on Instagram, a back to back on track test would be awesome. I've done it myself on a customers car so it will be interesting for the other guys on here that are undecided on the Brace or any RACP support for that matter.
     
  20. 24 Jul 2019 at 5:03 PM #80
    Nunga

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    That’s serious stuff, impressive.
     

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