05-21-2018, 01:39 PM | #45 |
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I want more braking power... I do not care about the weight. One extra person in the car has more impact.
The blue brakes are shit at high speed on the Autobahn and on track, the track pads are a hell when you daily and without a money tree in my backyard I will never fit CCB's. The new brake kit is the best combination for what I need... If I would have kept my M2, I would have fitted a Brembo BBK and I would have the same issue of increased weight. Only positive thing is that I now factory warranty. MR |
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05-21-2018, 01:44 PM | #46 | |
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05-21-2018, 01:45 PM | #47 |
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I optimized your first post + added a couple of additional pictures.
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05-21-2018, 01:45 PM | #48 | |
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Have you tried blue brake on the track and ccb?? After that you will understand how different is ccb from iron brake! Believe me 2000 dollars for new iron brake is a waste of money. For sure |
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05-21-2018, 01:57 PM | #49 |
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Have you tried a good set of proper brakes with iron rotors, like a Stoptech Trophy kit. Not comparing any kits, but quit trying to spew this CCB bs. If you want CCB rotors, buy them. They will mount right up with the 2NH package. The blue standard brakes are sh*t, I agree. I guarantee the new brakes are far better, with increased rotor size/thickness, more rotor service and increased in piston count/size. They will provide improved thermals, shorten stopping distance and last longer than the standard sh*t brakes. You want some one-off CCB for M2c for $7k option, f*ck that.
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05-21-2018, 02:11 PM | #51 | |
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I've run the "standard" brakes with RBF600 and DTC70's on Slicks/Hoosiers in 130F+ track temps lap after lap at intense braking tracks like COTA with no issues (mid 600 to mid 700 rotor temps) with no fade. I'd love to not have 35 pounds of extra unsprung weight for no reason, not to mention the extra weight from the 19" wheels and tires you'll be forced to run. Last edited by CosmosMpower; 05-21-2018 at 02:18 PM.. |
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05-21-2018, 02:18 PM | #52 | |
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For the little cost of the upgraded set, they are a no-braining for me. Especially in the way I use them. I don't need CCB's, and never will on a M2C. Not with how I use my car. MR |
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05-21-2018, 02:18 PM | #53 |
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This is a well discussed topic on various Porsche forums. Ceramics are great for the reduced brake dust and weight benefits, but replacement cost are a huge negative, especially if using the car for track days or if one gets damaged!
I’m sure I also read on the GT3 stopping distances are no different between a car with Steel or PCCB, what you do get with PCCB is better consistency due to less brake fade. This can be mitigated with different pads and providing better cooling. One thing I will say is that the M4 standard steel brakes are great and these being substantially larger will only make them better in terms of stopping power and durability due to better heat dissipation. |
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05-21-2018, 02:19 PM | #54 | |
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05-21-2018, 02:23 PM | #55 | |
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13.870 kg http://www.realoem.com/bmw/enUS/part...&q=34112284101 The rear brake rotor I used the 380x30mm rotor from the front standard brakes of M4/M2. 11.300 kg http://www.realoem.com/bmw/enUS/part...&q=34112284809 Using some educated guesses on where they are getting the parts from. They certainly aren't sourcing all new rotors. Even if they did, they each would be within 1kg or less of what I have listed. 30lbs increase at the minimum, but I think 35lbs is right on the money. |
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05-21-2018, 02:25 PM | #56 |
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05-21-2018, 02:27 PM | #57 |
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05-21-2018, 02:29 PM | #58 | |
this is the way
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05-21-2018, 02:33 PM | #59 | |
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05-21-2018, 02:37 PM | #60 |
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I like this kinda shit, beppeM3+123d:
Rain or no rain, I gave it the beans again in the mountains past weekend (Northern Italy). So yes, I would welcome an uprated brake set:
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05-21-2018, 02:40 PM | #61 | |
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About CCB, don't forget the bad cold response, bad modulation in city driving and the high costs of spare pads and rotors. For me, CCB are total waste money Not properly, one person in the car is not unsuspended weight |
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05-21-2018, 02:49 PM | #62 |
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05-21-2018, 02:53 PM | #63 | |
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I drove m2 ( not mine for sure ) in Monza. Misano, Imola and Mugello and if you want to full enjoy the car ccb are mandatory...! I am totally sure that Bmw will make carbon disk retrofit kit for new brake otherwise is no sense increase power to the cars. My disappointing is for tons of carbon upgrade, roof tail, side mirrors and so on but no carbon on the brake, that for sure will be cheaper way to increase performance and weight! We will see |
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05-21-2018, 02:54 PM | #64 |
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It is amusing to see people nitpick every single detail. BMW is offering an oem big brake kit and people are still complaining. Amazing really?! How can someone's reality be either 4/2 piston system or ccb, I WANT NOTHING ELSE IN BETWEEN? Earth shattering news, larger calipers and rotors weigh more. Yes, people actually put big brake kits on cars. There might even be a huge big brake kit market out there, with majors brands involved(could be imagining that). I was just trying to show were some of the new weight could be coming from. The vast majority is coming from performance upgrades, whether is be brakes, engine, cooling, etc.
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05-21-2018, 03:25 PM | #65 | |||
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hopefully there are actual improvements to be gained... There seems to be a reason that they are an included " upgrade" in many markets.. Very possibly because they are needed... or.. very possibly so they don't have to print a spec sheet for M2 COMP with a 0-60 stopping distance that is worse than the OG M2.. Quote:
thanks for helping define the weight gain in the car... it appears 120 lbs is due to the motor and associated cooling.. .. and another 30 lbs is due to brakes if the 2NH kit is included on the US car as it is in Canada. As stated above... just because BMW is adding these changes.. doesn't mean the absolute performance of the M2 competition will be greatly changed vs the OG M2. Indeed.. I surely hope that the changes will result in measurable changes in performance, it will be interesting to see instrumented reviews. Last edited by M3 Adjuster; 05-21-2018 at 03:40 PM.. |
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