06-24-2018, 10:21 AM | #89 |
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Oh. I misread. Thought you found pads for the F90. Please post when you do, I'll do the same if I find something. They'll pay for themselves with the money we save in wheel cleaner.
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06-24-2018, 10:26 AM | #90 |
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Would go for CCBs
It all depends on preferences and actual use.
From my experience with the F10: . steel on my own car with standard pads and high temperature brake fluid . when driving on german autobahns the temperature impact of braking from higher speeds cracked the discs ie from the drilled holes outwards . had the discs and pads replaced 4 times (over 90000kms) under warranty... and I have never been on track . and the usual brake dust... . participated at M track trainings with M5 and M6 equipped with CCBs . good fade resistance but the ultimate weak point are the tires which then can overheat . have checked all the other cars with CCBs and notably one M4 which was used as a track taxi for guests and no signs of cracks . but the M5 is much heavier / to compare when doing the M Nürburgring 2 day training the M6s with CCBs had no issue whatsoever Personally I am waiting a little for the F90 but will definitely go for CCBs. |
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06-24-2019, 01:19 PM | #92 | |
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06-24-2019, 02:20 PM | #95 |
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I had them on my f10 & f90 m5s. I don’t plan on keeping the car out of warranty, so...the replacement costs are of no consequence. They are awesome. I wish they were options on all heavy cars. Would be great on our odyssey here in the canyons of Southern California.
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06-24-2019, 05:00 PM | #96 |
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I had my RS7 P-which came with CCs--for perhaps 25,000 miles. I tracked it twice. I've had my M5 C for ~12,000 miles--it has steel (strike that, I'm told it's...) cast iron brakes. I've tracked it once so far.
RS7: - there was no fade whatsoever - in the morning until they were warm, it felt like your brakes had failed completely ... they soon warm up, though (2 minutes perhaps) - on the second track adventure, the brakes melted the face off of my wheels (no exaggeration here) ... the gun metal covering began to fracture, crack and peel - I never had to replace them (hallelujah) so they lasted well - rarely squealed; hard braking eliminated it - while racing the car, toward the end, I experienced the CC-brake equivalent of range anxiety worrying if I was pushing them hard enough to wear them out and then looking at a F#CK!NG insane replacement bill M5C: - no perceivable fade at the track - great in all conditions and temps so far - they squeal like Babe in a bacon factory - hard braking eliminates the piglet impression for maybe a few days - brake dust makes my wheels look better; it's ever-present so far - I gave my brakes precisely zero-thought at the track My choice? I'd take the stee...cast iro... feck it, non-CC-brakes since I've found no substantial benefit to the CCs even with track day events. |
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06-24-2019, 05:15 PM | #97 |
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I've had CCB's on three different cars. 16 570S, 17 R8 and 18 Giulia QV. McLaren were the worst by far. Really bad brakes until you get some heat. Weird pedal feel.
In the other 2 cars, they felt perfect. No squeal, no fade. So I guess it depends on the car.
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06-24-2019, 06:20 PM | #98 |
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I was really worried that they would have the feared soft pedal feel and bad performance when cold, as one often reads about with carbon ceramic brakes. But whatever BMW did with the CCBs on the current F90 M5, whether it's a specific rotor and/or pad compound, they f'ing nailed it. Perfect predictable performance in all conditions and temperatures.
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06-24-2019, 08:38 PM | #99 |
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I have them on my F10 and although I didn't have to pay the $9,200 option cost, I feel you get every bang for your buck. No brake dust to me is alone worth a large fraction of that cost, sounds petty, but true for notoriously dusty brakes. Also the fact that the rotors will last the lifespan of the car under normal driving conditions, and the pads will last twice as long as the standard is another offset in the initial cost. The squeal is minimal and not hard to get used to, especially when you and other car people know what you have. The gold calipers and curb appeal are another ✔️...the list could go on.
Check it: https://documentcloud.adobe.com/link...7-716b2e8f2b10
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06-24-2019, 08:50 PM | #100 |
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father got it on his m5, worth it for a big car? no.
curb appeal, yes. less time cleaning wheels, and more time to clean the actual car? yes. have them on my z06, and would 100% get them again. |
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06-24-2019, 10:09 PM | #101 |
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They are most important on a big car! I have steel on my acr (08) and those are fine, grip like crazy, no fade, cheap on the track, perfect. For a big, street driven sled the cc brakes are great. I’d argue better for a heavy car. I wish we could get them on our van too.
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06-24-2019, 11:13 PM | #102 |
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Thing is - the steels grip like a vise too. I was torn about this option and decided against it only because I'll be holding on to this car for < 3 years. If this was a keeper I'd definitely go for the curb appeal and get them!
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06-27-2019, 01:14 PM | #105 |
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After half a year on steels in my F90 I have nothing to complain about beside the brake dust. Probably I will install ceramic pads to reduce it in the future. I can not feel any fade when breaking constantly from high speeds, which was an issue in my F82 M4 with steels. There is a little squeal sometimes when breaking.
I was driving F90 with CCB on track and there is no difference in stopping power comparing to steels that I have in my car. And to be honest - CCB in F90 are really, really good - even on wet I did not observe any issues with it. However BMW made steels also so good that in my opinion there is no point in paying extra money for CCB when you will not track your car. Regarding longevity - my friend who have bought F90 with CCB, after 15k km, used half of the braking pads so do not expect it to last 100k km as many people may think, unless you would drive it like a 520d Last edited by Mlynarz; 06-27-2019 at 01:20 PM.. |
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06-27-2019, 01:30 PM | #106 | |
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06-27-2019, 01:35 PM | #107 | ||
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But at that pricepoint, it's just not enough bang for the buck to me. |
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06-27-2019, 07:19 PM | #108 | |
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meh, steel brakes will stop the car just as hard. i'm not actually sure about the distance.. but if i put you into both a steel, and CC car and jammed on the brakes, there is no way you could tell me the difference.. that being said, my dads m5 has been squealing non stop now. Think he needs to do some hard stops or something. |
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06-27-2019, 07:58 PM | #109 | ||
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06-27-2019, 08:00 PM | #110 | |
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my dad has the ceramics, and i'm surprised they are making noise already.. only 500 miles. my z06 has 7k and not a peep. |
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