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BMW M2 Forum > BMW M2 CS Model > Carbon ceramic brakes: why (not) getting the 2NK option (M-CCB) ?

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      08-18-2020, 09:59 PM   #23
Simon P.
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No.
Different wheel base.
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Originally Posted by GimmeanM View Post
Off topic but in an effort to shed weight (Like the CCB discussion) does anyone know if the carbon driveshaft from the F80 M3/M4 would fit in the M2?
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      08-19-2020, 08:24 AM   #24
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Have the CCB`s.

1 They look just great
2 They feel even better
3 Less unsprung weight
4 Lack of brake dust

I do not track the car, au contrair what many people think, the CCB/ Porsche PCCB are better for street use than track, given the replacement costs, risk on damage while track driving is bigger.

For street use, the discs will last for >200 K Km, the pads over 150K km driving normally to sometimes aggressively.

I used to own a 981 cayman GTS on PCCB, no problems what so ever, my coming GT4 will also have the PCCB on them.

Just great brakes for street use (would I track the cars I would not have ordered them)
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      08-19-2020, 09:51 AM   #25
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The only reason NOT to get the CCB is if you plan to regularly track the car (but maybe you can substitute cast iron rotors/pads, as can be done on Porsches?).

Other than that, it's an exclusive car and should have these binders for all the benefits they offer (and hopefully the tech doesn't chip a rotor...)
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      08-19-2020, 10:13 AM   #26
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I believe I have decided to go with steel brakes. I support all of those getting CCB. I think it will be worth it. Any time someone is spending their hard earned cash on an item beyond basic transportation they should equip it as their heart desires. Who the hell wants to spend 85k and not be in complete love with the car because they always wonder what the 8k option would have been like. Might as well just spend the extra cash and be happy.

One track experience that would have me cringe with CCB is when my car had to be hauled out of the gravel at Barber. The trapped rocks would have destroyed the rotors.
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      08-19-2020, 11:22 AM   #27
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BMW M2 CS Racing brakes: steelies - no M-CCB:
  • 6-piston fixed yoke front - 380mm - Alcon
  • 4-piston fixed yoke rear - 380mm- production M2 CS (Brembo)
  • Twin-flow air brake cooling
    (source: here)
Name:  M2_CS_Racing_Brakes_1.jpg
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Name:  M2_CS_Racing_Brakes_2.jpg
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Porsche 911 GT3 Cup 991 brakes: steelies - no PCCB:
"The newly-developed racing brake system improves the endurance qualities of the 911 GT3 Cup 991. The internally vented and slotted steel brake discs with a 38-centimetre diameter are operated by aluminium six-piston monobloc racing callipers in the front, and four-piston units at the rear.
Brake system: Two independent brake circuits for front and rear axle; adjustable via brake balance system.
Front axle: Aluminium six-piston racing callipers in monobloc design; multi-piece steel brake discs, inner-vented and slotted, 380 mm diameter; racing brake pads, optimised ventilation ducting.
Rear axle: Aluminium four-piston racing callipers in monobloc design; multi-piece steel brake discs, inner-vented and slotted, 380 mm diameter; racing brake pads, optimised ventilation ducting."

(source: here)
Name:  Porsche_Cup_Brakes.jpg
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Size:  205.4 KB

For a comparison Cup car - no Cup car: see for example here:

Cup (PFC brakes - Performance Friction Brakes Corp.):
Name:  991-gt3-vs-cup-suspension-comparison-014.jpg
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Size:  158.2 KB

No Cup (Brembo brakes):
Name:  991-gt3-vs-cup-suspension-comparison-015.jpg
Views: 301
Size:  121.7 KB
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      08-19-2020, 12:53 PM   #28
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Wonder what that Alcon kit would cost to retro on the front of our CS (and if it fixes the wheel barrel rock issue). If it's less than 8k CCB option... I have a great powder coater near me that could do a nice color option for me on the calipers.
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      08-19-2020, 01:16 PM   #29
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CCB brakes are superfluous IMHO
as much on a hypothetical M2 CSL they would have been judicious as much on a 1600 kg car with electric leather seats, HiFi Harman Kardon automatic air conditioning this remains a possible option but absolutely not mandatory
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      08-19-2020, 01:25 PM   #30
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Quote:
Originally Posted by sdhotwn View Post
Wonder what that Alcon kit would cost to retro on the front of our CS (and if it fixes the wheel barrel rock issue). If it's less than 8k CCB option... I have a great powder coater near me that could do a nice color option for me on the calipers.
You already have a perfect option with the Essex AP set up, light as CCB and smaller rotors that work with 18" wheels
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      08-19-2020, 01:32 PM   #31
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Quote:
Originally Posted by Acetech View Post
You already have a perfect option with the Essex AP set up, light as CCB and smaller rotors that work with 18" wheels
True, but curious about a "true" BMW/CS type option (that maybe doesn't require cutting heat shields).
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Last edited by sdhotwn; 08-19-2020 at 01:42 PM..
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      08-19-2020, 01:48 PM   #32
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Quote:
Originally Posted by sdhotwn View Post
Wonder what that Alcon kit would cost to retro on the front of our CS (and if it fixes the wheel barrel rock issue). If it's less than 8k CCB option... I have a great powder coater near me that could do a nice color option for me on the calipers.
The M2 CS Racing sports 18" wheels (10.5x18 inch aluminium rims design 513M in matt Black + Michelin 27/65-18 Pilot Sport GT S9L slicks).

The M2 CS sports 763M 19" wheels.

Test mule - Summer 2019:

Front:
Quote:
Originally Posted by Davil View Post
Quote:
Originally Posted by cntzl View Post
Exactly and that's why I went with AP Racing BBK which saved 50+ lbs over my stock M2C brakes. I also sold my heavy ass 788M stock wheels. I have lightweight 763M wheels (same ones on the M2CS) for the street and 18" APEX wheels for track. In other words, you don't necessarily have to follow the CCB route to save significant amount of weight. The replacement cost of CCBs and the fact that you cannot fit 18" wheels on them are total deal breakers for me.
Yes 18” wheels and Alcon brakes for the M2C track spec’s first outing.

Rear:
Quote:
Originally Posted by Karmic Man View Post
Quote:
Originally Posted by Davil View Post
Yes 18” wheels and Alcon brakes for the M2C track spec’s first outing.
The rear has the M2C BBK though...strange

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      08-19-2020, 10:42 PM   #33
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The M2C is clearly not about value. Its the ultimate version, and for me at least, it would feel incomplete without the CCBs.
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      08-19-2020, 11:27 PM   #34
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Quote:
Originally Posted by DriverDaily View Post
The M2C is clearly not about value. Its the ultimate version, and for me at least, it would feel incomplete without the CCBs.
Exactly! If I could afford a 80k toy, I can afford to check every single option box, comfortably.

Go big or go home..
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      08-20-2020, 01:44 AM   #35
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Quote:
Originally Posted by DriverDaily View Post
The M2C is clearly not about value. Its the ultimate version, and for me at least, it would feel incomplete without the CCBs.
ceramic brakes are not necessarily a wise choice especially when used on track: steel rotor 300 Ä ceramic rotor 3000 Ä
it is no coincidence that M2 CS Racing has steel brakes
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      08-20-2020, 05:53 AM   #36
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Quote:
Originally Posted by Poochie View Post
Quote:
Originally Posted by DriverDaily View Post
The M2C is clearly not about value. Its the ultimate version, and for me at least, it would feel incomplete without the CCBs.
Exactly! If I could afford a 80k toy, I can afford to check every single option box, comfortably.

Go big or go home..
No, red ones look better. I asked if I could get carbon ceramics with red callipers. No go. Gold looks like socks and sandals*

*aside from if you choose gold wheels.
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      08-20-2020, 05:55 AM   #37
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IMO, because of resistance to brake fade CCBs are best for track use if you have the budget to replace them. I've owned 2 cars with CCBs and they really didn't do anything I could feel when driving on the street. Steel brakes have better feel and operate better at lower temps. The rotational mass savings with CCBs don't seem to provide much benefit on a heavy passenger car. Just like Carwow's test with the M2CS with CCBs getting out-braked by an RS3 and A45S... both equipped with steel brakes. CCBs are an expensive option that I believe to get the most out of them you have to on track running hard sessions. But of course it's a cool option to have and show off... even if you're not really using them to their potential. Their lack of brake dust is a decent benefit.
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      08-20-2020, 06:39 AM   #38
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Isn't the caliper for the CCB and 2NH steel the same? If yes, unless someone really want the gold color calipers switching from one to the other would only require changing pads and rotors, correct?
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      08-20-2020, 08:03 AM   #39
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Quote:
Originally Posted by omasou View Post
Isn't the caliper for the CCB and 2NH steel the same? If yes, unless someone really want the gold color calipers switching from one to the other would only require changing pads and rotors, correct?
Yes, I confirmed this with Racing brake.
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      08-20-2020, 11:33 AM   #40
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Quote:
Originally Posted by ///M2CS View Post
ceramic brakes are not necessarily a wise choice especially when used on track: steel rotor 300 Ä ceramic rotor 3000 Ä
it is no coincidence that M2 CS Racing has steel brakes
Like I said, if you're looking at pure tangible value you're probably not looking at the M2 CS.
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      08-20-2020, 01:27 PM   #41
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Quote:
Originally Posted by DriverDaily View Post
Like I said, if you're looking at pure tangible value you're probably not looking at the M2 CS.
and yet I ordered M2 CS and will instead fit an Akrapovic exhaust and track it !
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      08-20-2020, 10:16 PM   #42
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I didnít get CCB. These are as big and much less to replace.
Yeah it is clean with the CCB but I donít want the noise. You know what I mean if you have them already. I have them in my M5C.
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Last edited by Mikli; 08-20-2020 at 11:27 PM..
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      08-20-2020, 10:25 PM   #43
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Quote:
Originally Posted by Davil View Post
Quote:
Originally Posted by Poochie View Post
Quote:
Originally Posted by DriverDaily View Post
The M2C is clearly not about value. Its the ultimate version, and for me at least, it would feel incomplete without the CCBs.
Exactly! If I could afford a 80k toy, I can afford to check every single option box, comfortably.

Go big or go home..
No, red ones look better. I asked if I could get carbon ceramics with red callipers. No go. Gold looks like socks and sandals*

*aside from if you choose gold wheels.
Yea, I like red calipers also but carbon ceramic brakes on a M2 is such a privilege and aesthetically, looks so superior and dominant.

Plus, you probably wouldn't have to do a brake change, if it's only street driver, for a good 100k miles..

Either is a win anyways but if I'm springing for an M2 CS, I'm going for the gold..
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      08-21-2020, 03:05 AM   #44
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Anyone interested in swapping their gold calipers for red ones ?
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