How to make a Suspension even better for the RaceTrack - E46 M3 | EP 08

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This time round we took the final steps to make the suspension of the E46 M3 as good as possible. Besides just replacing the suspension, we opted for many solid bushing, spherical bearings and kinematics to correct the roll center of the car.
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[@grahamwilliams2494]

Love to see someone actually correct roll center when lowering the vehicle :) I’m excited to see how it performs!

[@tomg1216]

This is my favorite build series. Such quality and attention to detail. We have a saying in my country that says "if you're already going for it, go for it". Sounds stupid but it means that if you already decided to do this then do it as it should be done without cutting corners. Best of luck 👍👍👍

[@quirky_but_quick]

Thumbs up for this chassis video!
Interesting fact about the upper inner bushing at the rear axle at 2:39!
The roll center correction at 3:15 is also a very important topic due to it's importance while lowering a car in my eyes! Lowering it much without that correction can end up in more roll and driving worse than keeping the height due to the changing distance between the center of gravity and the roll center as far as I know.

[@JoeAchilles1]

Very very cool mate, great to see the build coming along... Can't wait to drive it, does it have extra strong door mirrors? 😜

[@heelandtoe_]

Cheers mate, this was even filmed november 2020 - so we’re actually really close to done now. 😂😂 reinforced door mirrors installed too.

[@cchan9186]

I’m sure you can’t wait to get this on the track. Good luck with the build!

[@jackwhite5048]

RIP Niko

[@Wonderboy_Adam]

cant wait for the finish build man. been waiting on this videos of the e46

[@williamoakes664]

Mega 👊🏻….love the detail and editing…..looking forward to the next one 👍🏼

[@stubbk3]

Love it. Great build

[@dany_6513]

Love it! Want to see more and more and more !😍😍😍😍😍

[@pierre0860]

Great video. Super interesting!!

[@mycarstrackdaysandfails9793]

I was waitong to this video... i had same idea to buy uk m3 about the same time as you :) tracked it , loved it

[@DRIZNISH]

Great to watch this video back after watching your laps with the finished car. Will you be addressing the oversteer?

[@Simpyspec]

Wow, These bushings will be huge will be great to not have to worry about cracking your subframe area maybe a few more vibrations but it is track tool

[@TougeTouring]

Just insane 👀😁

[@ssdswsdf]

The best M3 ever.

[@DaveMsport]

Great build. I would have changed the subframe to body studs to throughbolts that go through the floor and connect to the rollcage however.
Looking forward to how the car progresses 😎

[@joecross5182]

Fantastic video, love CUSTON RACETEC
How do you know where exactly to position the offset bush before grub screwing it? how do you get bushes in exactly the same position on both side of the car

[@tonggi]

where can we get those offset bushings at 0:07 for the upper and lower outer ball joints? I tried looking and cant find it!

[@cobratoxic]

Great video, where I can buy thoose uniball bushings and camber arms ? I need that for my e46 ?

[@ddudek91]

Have you strengthened the bodywork at the upper rear shock mount? I am asking about an integrated shock absorber with a spring.

[@David-uq4ns]

cant wait to see you drive it and cant wait to own an m3 like this myself and take it on the nordschleife, currently im 18 cant really afford to do that for now but will get there in the end. ill stick to my 320 m sport for the time being :D

[@rafaelpereira9803]

Where can I buy the offset bushing for the roll center ?

[@jurcicmax237]

Do you know by any chance what is your spring rate in the suspension?

[@burntpink]

War der umbau auf linkslenker gut zu machen?

[@florian_montuzet]

This car will be a real weapon ! The diff will stay stock ?

[@heelandtoe_]

For now stock, yes. we already have a 4.10 gearing

[@khestehave]

Any possibilities to buy a set of those rear camber arms?

[@heelandtoe_]

Available at Custom Racetec

[@Scav68]

Where can I pick up the off set pillow ball bushing for the rear?

[@heelandtoe_]

Custom Racetec

[@marco_muhelye_reloded]

Hi! No roll center correction on the front? Why?

[@heelandtoe_]

Ask Custom Racetec 😂 No, actually - not sure why we didn’t do it. Let’s see, still an easy upgrade to do.

[@marco_muhelye_reloded]

@@heelandtoe_ ich würde nie etwas gegen CR sagen, bewundere deren Wissen was Motorsport angeht, aber an der gelenkte Achse würde ich es dennoch für wichtiger halten eine Roll center bzw bump steer Correction durchzuführen.

[@Bryan-ir1ex]

Any changes to the diff?

[@heelandtoe_]

Stock, except 4.10 gearing

[@jammy91288]

What brand are those rear trailing arm upper and lower offset spherical bushes? I thought it was only schirmer that was making these?

[@joecross5182]

This is a very good question.

[@av1111]

Millway.se

[@av1111]

mk-motorsportteile.de

[@heelandtoe_]

They are from Custom Racetec. Several people offer these as far as i know

[@sniperBOBAH]

Sexy front brakes 👍

[@Boonexctf]

Incredible video freund! I talk to you on insta on occasion. I am the guy building the partially tube chassis S2000. I'm instaboone_

[@lawrenceclaridge6401]

It’s all well and good but as someone who races at amateur level, you really need to be a top driver to get the difference out of something as expensive as ohlins TTX. I think 99% of people would do the same lap with some KW suspension or even some cheap BC coil overs. Unless I’m in the single seater, track cars I think it doesn’t matter that much at all.

[@lennartroh4109]

Rip

[@freedomlifemake2579]

roll center and center of gravity are not the same thing