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M2 Technical Topics > Suspension | Brakes | Chassis > BC Racing vs. KWv3 vs. Bilstein PSS10 B16

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      12-18-2019, 12:11 PM   #23
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And you are correct, there's a ton of factors when it comes to suspension. If you buy a 2020 BMW M2C and do nothing but bolt on a set of KW coilovers and lower it so the stance looks cool, will it handle better than stock? No, it will most likely handle worse (but FEEL better cause it's a rougher ride, cause rough means racecar).

Unless you're a professional full time race car driver on slicks, you are NOT exceeding the stock M2C suspension capabilities on any public road in the USA and not at any HPDE.
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      12-18-2019, 12:17 PM   #24
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If you are an experienced driver and do a lot of HPDE with an M2C?

First thing is you'll want better tires, a square setup as well not staggered for more balanced cornering. That right there will be a SIGNIFICANT improvement in cornering. Next is alignment, OEM alignment is for tire life not cornering, you'll get MUCH better grip and response. Then you will want a set of coilovers for the fact that you can balance the weight of the car, and BMW sells a coilover kit that is perfectly valved and springed for the M2C.
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      12-18-2019, 12:41 PM   #25
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Jet Bill posted a really interesting thread about the differences between various coilover suspension systems for the M2 (and the stock units) backed up with suspension dyno plots.

Can't find it just now, but well worth a look.

Edit: Here you go.

https://f87.bimmerpost.com/forums/sh....php?t=1590553

Last edited by M Fifty; 12-18-2019 at 12:45 PM.. Reason: Link to referenced thread
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      12-18-2019, 12:50 PM   #26
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Originally Posted by SlowM2C View Post
Reddit? That's the toilet of the internet god no.
Don't list your website in your BIO here if you do not want people to look you up. You are a consistent troll on reddit and constantly brag about your big house and bmw.

Quote:
Originally Posted by SlowM2C View Post
And you are correct, there's a ton of factors when it comes to suspension. If you buy a 2020 BMW M2C and do nothing but bolt on a set of KW coilovers and lower it so the stance looks cool, will it handle better than stock? No, it will most likely handle worse (but FEEL better cause it's a rougher ride, cause rough means racecar).
Again, no one is saying that it would. Stop backpedalling.

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Originally Posted by SlowM2C View Post
Unless you're a professional full time race car driver on slicks, you are NOT exceeding the stock M2C suspension capabilities on any public road in the USA and not at any HPDE.
This is simply untrue.
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      12-18-2019, 12:53 PM   #27
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Originally Posted by SlowM2C View Post
If you are an experienced driver and do a lot of HPDE with an M2C?

First thing is you'll want better tires, a square setup as well not staggered for more balanced cornering. That right there will be a SIGNIFICANT improvement in cornering. Next is alignment, OEM alignment is for tire life not cornering, you'll get MUCH better grip and response. Then you will want a set of coilovers for the fact that you can balance the weight of the car, and BMW sells a coilover kit that is perfectly valved and springed for the M2C.
Here you go again, pretending to know the handling characteristics of a car you just bought. How do you know the OP does not already have tires, square setup, corner balancing, alignment?

And now you're advocating getting coilovers? Earlier you were just saying the OEM's are better than anything aftermarket? Which is it?

The M Performance coilovers are the same ones they put on most of the F8X cars, its not "valved perfectly for the M2C". Furthermore, it's most likely not setup for whatever type of driving you plan on doing. It's also not as adjustable.
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      12-18-2019, 01:18 PM   #28
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Originally Posted by SlowM2C View Post
I don't post on reddit, sorry to burst your creeper bubble.
Sure buddy. I'd be happy to post up links of where you didnt troll reddit if you'd like. I really didn't care that much, but it just reinforces who the "creep" really is here.

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Originally Posted by SlowM2C View Post
Hey, if you wanna toss on a set of coilovers on a stock car and slam it to the ground because racecar, that's fine... but don't go telling the world it handles better than stock, because it doesn't.
We both know thats not what I said, along with everyone else following this thread. Can we stop crapping on it now?
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      12-18-2019, 01:23 PM   #29
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Originally Posted by detroitm2 View Post
Sure buddy. I'd be happy to post up links of where you didnt troll reddit if you'd like. I really didn't care that much, but it just reinforces who the "creep" really is here.
It's his first day on the internet, gotta be. Nothing but horse shit flows from his mouth. The more we respond to him, the worse it gets.
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      12-18-2019, 01:35 PM   #30
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Quote:
Originally Posted by SlowM2C View Post
If you are an experienced driver and do a lot of HPDE with an M2C?

First thing is you'll want better tires, a square setup as well not staggered for more balanced cornering. That right there will be a SIGNIFICANT improvement in cornering. Next is alignment, OEM alignment is for tire life not cornering, you'll get MUCH better grip and response. Then you will want a set of coilovers for the fact that you can balance the weight of the car, and BMW sells a coilover kit that is perfectly valved and springed for the M2C.
You're hillarious, and you really drank BMW's koolaid. The car from factory is setup for the average driver to not kill themselves and sue BMW. The cars are setup with best braking performance in mind.

If you actually knew what you are talking about you'd know that stock suspension leaves almost no adjustment which is why people go to aftermarket suspension, and you go to square setup not for improved cornering, but to make it cheaper on the track. Staggered will give you the best cornering and straight line performance, because you are maximizing the contact surface on each corner. Why don't you have a look at a real race car and see if the tires are the same size on the front and the back.

Oh and M Performance Coilovers are made by KW and are a slightly less good version of the V3's you keep shitting on.
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      12-18-2019, 01:49 PM   #31
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Quote:
Originally Posted by SlowM2C View Post
Reddit? That's the toilet of the internet god no.

And you are correct, there's a ton of factors when it comes to suspension. If you buy a 2020 BMW M2C and do nothing but bolt on a set of KW coilovers and lower it so the stance looks cool, will it handle better than stock? No, it will most likely handle worse (but FEEL better cause it's a rougher ride, cause rough means racecar).

Unless you're a professional full time race car driver on slicks, you are NOT exceeding the stock M2C suspension capabilities on any public road in the USA and not at any HPDE.
The OP only asked about coilovers and we should help him in his decision, all the rest is off topic. We don't know anything about his driving skills, his driving tastes, his driving habits, his car's mods and whatever.
A good set of coilovers is surely better than the stock suspensions and this is out of the question.
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      12-18-2019, 05:54 PM   #32
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I don't know how one can talk about dampers, spring rates, and sway bars independently of each other... It's all one system, and each component has effects on other parts of the system.

For a given target ride frequency, which affects your transients and is the output of spring rate, are the damping forces optimal to support the car to keep max traction and allow quick transitions? What level of sway bar do you need at the current spring rates to combat body roll without taking away grip from that end?

I just moved down from an H&R 28mm to Dinan 25mm front sway bar because with my already higher than OE spring rates the H&R was far too stiff. It made understeer a lot worse and the reduced suspension independence really hurt the car's stability over features like track curbing.
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