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      08-29-2017, 04:10 PM   #617
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Quote:
Originally Posted by Benef1cient View Post
Yes they are bigger
Front:
6 Pot Caliper (looks the same as in the A45 AMG) and bigger rotor with 4 drilled holes instead of 3 as in the vanilla M2.

Rear
The rears also look different (bigger in diameter but slimmer?) although looks like the same caliper was used.


The rear caliper looks to be 4 pot, I'd say it's the front caliper of the original on the back. Would make sense with a 6pot on the front. Good spot on the drilled holes
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      08-29-2017, 04:22 PM   #618
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Quote:
Originally Posted by lax01 View Post
Those do not look like Carbon-ceramic though
Nope, but they look the same in terms of size in both caliper and rotor design, so CCBs can be easily offered if not in the CS then in the GTS for sure.
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      08-29-2017, 04:23 PM   #619
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Quote:
Originally Posted by kiysersosae View Post
The rear caliper looks to be 4 pot, I'd say it's the front caliper of the original on the back. Would make sense with a 6pot on the front. Good spot on the drilled holes
Yeah after a better look already changed that thought about rears.
So they went up a size front to back.

Upping the brakes means 400-410HP of the S55 can be halted with ease and getting a BBK kit in the price of the CS is great for the track. One thing that somewhat mitigates the price increase a bit.

Last edited by Benef1cient; 08-29-2017 at 04:34 PM..
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      08-29-2017, 05:57 PM   #620
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Quote:
Originally Posted by Benef1cient View Post
Upping the brakes means 400-410HP of the S55 can be halted with ease and getting a BBK kit in the price of the CS is great for the track. One thing that somewhat mitigates the price increase a bit.
Zero price-increase if you don't tick that box on the options list.
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      08-29-2017, 06:19 PM   #621
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Quote:
Originally Posted by Benef1cient View Post
Quote:
Originally Posted by lax01 View Post
Those do not look like Carbon-ceramic though
Nope, but they look the same in terms of size in both caliper and rotor design, so CCBs can be easily offered if not in the CS then in the GTS for sure.
Those are Fxx M5/6 fronts (400mm) and a unique hybrid rear setup. The 4 piston rear Caliper comes from the F8x M3/4 MCCB, disc Friction ring is M5/6 sized (395mm), and disc hat (with incorporated handbrake drum) is new.

If any track use is likely, definitely do NOT want MCCB.
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      08-30-2017, 04:45 AM   #622
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Talking about brakes - Porsche will offer 3rd brake option with their new Cayenne model:

Quote:
Porsche has also used the Cayenne to introduce a new brake option to sit below Porsche’s usual PCCB ceramic option. Called PSCB, the Porsche Surface Coated Brake option uses a tungsten-carbide layer on traditional steel discs to dramatically improve heat soak compared to standard brake discs without the associated cost of normal ceramic disks. Differentiated from standard brakes with a new white finished brake calliper, if you thought having two different brake options was too much you might want to skip over this one.
SOURCE
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      08-30-2017, 07:38 AM   #623
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Quote:
Originally Posted by Artemis View Post
Not saying that the brakes in the M2 CS test mule pictured below are CCBs, but don't these look bigger than the ones sporting the base M2 (or is it just an optical illusion because of the black paint) ?

Attachment 1682536

Front and rear:
Attachment 1682543 Attachment 1682544
Those wheels look smaller to me - which is why the brakes might appear to be bigger. They're sort of filling out the wheel profile more completely, at least in my opinion.
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      08-30-2017, 07:50 AM   #624
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Quote:
Originally Posted by dmboone25 View Post
Those wheels look smaller to me - which is why the brakes might appear to be bigger. They're sort of filling out the wheel profile more completely, at least in my opinion.
I thought this too, however the callipers certainly look bigger regardless.
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      08-30-2017, 07:53 AM   #625
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Quote:
Originally Posted by as7920 View Post
I thought this too, however the callipers certainly look bigger regardless.
They do - especially with the pics from the standard M2 right above.
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      08-30-2017, 08:51 AM   #626
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Quote:
Originally Posted by dmboone25 View Post
Quote:
Originally Posted by Artemis View Post
Not saying that the brakes in the M2 CS test mule pictured below are CCBs, but don't these look bigger than the ones sporting the base M2 (or is it just an optical illusion because of the black paint) ?

Attachment 1682536

Front and rear:
Attachment 1682543 Attachment 1682544
Those wheels look smaller to me - which is why the brakes might appear to be bigger. They're sort of filling out the wheel profile more completely, at least in my opinion.
They're 19" winter wheels and tires (yes I know it's summer but this is being done regularly now).
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      08-30-2017, 09:43 AM   #627
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Quote:
Originally Posted by lemetier View Post
They're 19" winter wheels and tires (yes I know it's summer but this is being done regularly now).
For the M2 CS I assume that BMW is gonna stick to the 19" shoe size, but may throw in an extra pair (same size, as for this type of model 19" suits better than 20").
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      08-30-2017, 09:47 AM   #628
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Quote:
Originally Posted by Artemis View Post
For the M2 CS I assume that BMW is gonna stick to the 19" shoe size, but may throw in an extra pair (same size, as for this type of model 19" suits better than 20").
See, I don't think I agree - there are a few folks on the forum who have outfitted their M2s with 666M wheels, and MAN do they look good. The bigger wheel and smaller gap really accentuate the bulldog look IMO.

Or at least follow the M4 CS path and do 20s in the rear and 19s up front...
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      08-30-2017, 10:06 AM   #629
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Quote:
Originally Posted by dmboone25 View Post
See, I don't think I agree - there are a few folks on the forum who have outfitted their M2s with 666M wheels, and MAN do they look good. The bigger wheel and smaller gap really accentuate the bulldog look IMO.
Or at least follow the M4 CS path and do 20s in the rear and 19s up front...
Form follows function. Regardless whether any 20" wheels look better or not, if the M2 CS all-round performance turns out to be better with 19" wheels (and I believe that this is the case), then that size will be the automotive weapon of choice.
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      08-30-2017, 11:57 AM   #630
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Quote:
Originally Posted by Artemis View Post
Form follows function. Regardless whether any 20" wheels look better or not, if the M2 CS all-round performance turns out to be better with 19" wheels (and I believe that this is the case), then that size will be the automotive weapon of choice.
19" definitely, BMW already gave us a hint and I think these are sure to be at least an option (together with the BBK ) for the M2 CS

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      08-30-2017, 12:33 PM   #631
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Quote:
Originally Posted by dmboone25 View Post
Quote:
Originally Posted by Artemis View Post
For the M2 CS I assume that BMW is gonna stick to the 19" shoe size, but may throw in an extra pair (same size, as for this type of model 19" suits better than 20").
See, I don't think I agree - there are a few folks on the forum who have outfitted their M2s with 666M wheels, and MAN do they look good. The bigger wheel and smaller gap really accentuate the bulldog look IMO.

Or at least follow the M4 CS path and do 20s in the rear and 19s up front...
The M4CS wears the Performance 763M wheels in 19/20. The same Performance wheels on offer for M2 fitment are 19. I suspect the M2CS will have these.
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      08-30-2017, 12:35 PM   #632
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Quote:
Originally Posted by Benef1cient View Post
19" definitely, BMW already gave us a hint and I think these are sure to be at least an option (together with the BBK ) for the M2 CS

This does not look good.
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      08-30-2017, 12:43 PM   #633
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Quote:
Originally Posted by Artemis View Post
Form follows function. Regardless whether any 20" wheels look better or not, if the M2 CS all-round performance turns out to be better with 19" wheels (and I believe that this is the case), then that size will be the automotive weapon of choice.
By that same logic, aren't 18s better performers than 19s?

I have heard that before - not sure how true it is.

But on a more simple level, are these cars fun, dual purpose machines that can be DD and tracked? Yes. Is all out performance the goal of any current BMW? I don't know about that.

M = compromise, with quite a bit of aesthetic form over function...just sayin.
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      08-30-2017, 01:21 PM   #634
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Quote:
Originally Posted by Artemis View Post
Quote:
Originally Posted by lemetier View Post
They're 19" winter wheels and tires (yes I know it's summer but this is being done regularly now).
For the M2 CS I assume that BMW is gonna stick to the 19" shoe size, but may throw in an extra pair (same size, as for this type of model 19" suits better than 20").
The F87 doesn't have the additional hurdles like the M3/4 CP/CS/GTS does, so there's no reason to go 20" IMO. Unless someone thinks it's absolutely necessary to raise the ultimate top end limiter above 280km/h that is.
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      08-30-2017, 02:06 PM   #635
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Quote:
Originally Posted by Benef1cient View Post
19" definitely, BMW already gave us a hint and I think these are sure to be at least an option (together with the BBK ) for the M2 CS
Quote:
Originally Posted by GimmeanM View Post
The M4CS wears the Performance 763M wheels in 19/20. The same Performance wheels on offer for M2 fitment are 19. I suspect the M2CS will have these.
Quote:
Originally Posted by lemetier View Post
The F87 doesn't have the additional hurdles like the M3/4 CP/CS/GTS does, so there's no reason to go 20" IMO. Unless someone thinks it's absolutely necessary to raise the ultimate top end limiter above 280km/h that is.
I'm also inside the 19" camp here: 19" is the best choice for this model.

I've seen the 763M wheels up-close on an M2, and liked how these look, except for the black finish (personal taste: I prefer a gunmetal finish). If BMW would offer those wheels in the 'Orbit Grey' finish of the M4 CS wheels, I might eventually consider to get them for my car. But I don't believe that that's gonna happen.

About the M4 CS wheels was specified (see here):
"A new, forged light-alloy wheel option in Orbit Grey has been specially developed for the new BMW M4 CS. Its ten-spoke design takes its cues from the wheels of the successful M4 cars competing in the German Touring Car Masters (DTM) race series. The BMW M GmbH engineers have rigorously applied their lightweight design approach to the wheels as well. The 10 J x 20-inch wheels at the rear weigh no more than around ten kilograms each and their 9 J x 19-inch counterparts at the front a mere nine kilograms or so. That keeps the unsprung masses low, which is another factor in the exceptionally dynamic handling of the M4 CS."
Don't you think that those first words sound like proper CS speak: "A new, forged light-alloy wheel option" ?
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      08-30-2017, 02:52 PM   #636
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Quote:
Originally Posted by Gatte View Post
This does not look good.
Totally agree, i hope that guy has no involve to in styling the CS/GTS.

BMW if you are on here (im sure they are) don't even think about putting those riddiculos stripes on
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      08-30-2017, 05:02 PM   #637
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Quote:
Originally Posted by dmboone25 View Post
By that same logic, aren't 18s better performers than 19s?

I have heard that before - not sure how true it is.

But on a more simple level, are these cars fun, dual purpose machines that can be DD and tracked? Yes. Is all out performance the goal of any current BMW? I don't know about that.

M = compromise, with quite a bit of aesthetic form over function...just sayin.
Going to agree with this...
M2 CS is not going to be strictly track focused. It serves as a dual purpose machine, DD and track, but heavily biased towards the DD side of things.... No matter what BMW wants you to believe.

20" or even 19/20" staggered will look great. (Not to say that the current 19s don't) All 718/981 Caymans come with 20" options regardless of it being a base Cayman, S, GTS, or GT4. The GT4 of course being the track focused one.

The Cayman is smaller than then M2, but looks by far its best (IMO) with the 20s.
Yes, some prefer the 19s on the Cayman/Boxster, but I find it hard to believe it would affect performance that adversely... Also, all Cayman obviously (except GT4) have less HP than the M2 CS will have. The 718 GT4 will be the first Cayman ever to push 400hp... Yet Porsche has always offered 20 inch wheels.

Just a thought... 19s look great on the M2, but a 20" option would be nice. If Porsche can offer it on essentially a 300hp 981, BMW can at least do it for the much more powerful M2 CS.

Last edited by csbear; 08-30-2017 at 08:52 PM..
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      08-30-2017, 10:34 PM   #638
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To be honest...I want more width on the rim rather than more height

These S55 Ms (which all have traction issues especially in 1st and 2nd) need more tyres...way more tyres than what's standard on them.

The simplest 911 GTS variant is the RWD 6MT version with the same engine power as the M3/M4 ZCP but comes in at a lighter weight at 1450kg DIN (and rear weight bias). It has a 305 at the rear and a 245 at the front.

The M4 ZCP (1550kg+ DIN) has a 285 at the back and a 265 at the front... the M4CS with more performance also has the same staggered setup

It is frustrating whenever you are at a stop start drag race you are always let down by a lack of traction with rear tyres smoking up instead of going forward. More tyres also provides more stability at a higher speed.

Last edited by Karmic Man; 08-30-2017 at 10:44 PM..
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