01-02-2015, 01:54 PM | #1 |
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CCB disadvantages?
I don't need the CCB's for the track, but I'd spend the money for the look and cleanliness alone. What bothers me, though, is that they seem to have some disadvantages over the steel brakes for daily use: (1) Squeaking at low speeds; (2) worse performance when cold; (3) the risk of exorbitant repair costs resulting from rock chips or getting tire dressing/wheel cleaner on the rotors.
What have been people's experiences with these issues on the M3/M4? |
01-02-2015, 02:01 PM | #2 | |
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01-02-2015, 02:06 PM | #3 | |
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01-02-2015, 02:14 PM | #4 |
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I had CCB's on a series of Ferrari's (360 CS, 430 Scuderia, 458) and over the years CCB's have become progressively better. The generation 1 CCB's on my 360 CS were tricky when cold and I nearly rolled into my gates several times when starting out. All of my CCB's have had some squeal, I can't speak for the M4's as I have the standard brakes.
I always joke with friends that the reason I like CCB's is that they keep the wheels a lot cleaner, the problem is its a really expensive way to keep em clean :-) Personally if you are not planning on tracking the car and don't mind cleaning your wheels more often then I'd stick with the standard brakes. So far I've found my brakes to be massively powerful with no fade/squealing etc. just my 10cents |
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01-02-2015, 02:20 PM | #6 |
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I haven't found squeaking to be a problem at all. They do a bit when they are wet or when driving in a parking garage out of the cold.
They work fantastic in the cold in my experience - I've tested them down to -30 C. However, watch out coming out of a touchless car wash, especially in the winter. You practically have to stand on them to get them to work at first. Getting up to speed and a long stop brings them back The 641's are a tight fit over the calipers. This isn't a problem, but the lack of choices and reluctance to change them yourself with a floor jack is definitely a drawback. Apart from that, they look great, don't generate brake dust and feel really great to use even in daily driving. |
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01-02-2015, 02:23 PM | #7 |
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One other thought I have on this topic is that most cars brakes look really small and ugly especially on bigger wheels which is another reason for going CCB's Thats not the sase on the M3/M$, the brakes do a great job of filling the wheel, I love the blue calipers and the wheel hub itself has some really nice milling that I think looks cool!
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01-02-2015, 02:26 PM | #8 |
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Check here for several great threads on the topic.
http://f80.bimmerpost.com/forums/forumdisplay.php?f=532 |
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01-02-2015, 02:29 PM | #9 |
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They are a bloody expensive option
They are bloody expensive to replace 18" wheels will not fit They are fragile Did I mention they are bloody expensive? |
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01-02-2015, 02:37 PM | #10 |
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Wheel fitment is my biggest problem with My CCBs. Most manufacturer dont make a 19 inch wheel that will fit. Im waiting to see who come out with an aluminum rotor conversion kit for the CCBs. On the street there is no comparison IMO. The brakes are amazing. For the track going to have to swap them to aluminum because they are to expensive to run.
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01-02-2015, 02:43 PM | #11 |
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All that brake dust you're inhaling must be clouding your judgment. You are right, bloody well right, that they do cost a pretty penny, but do last considerably longer - though perhaps not long enough to pay for themselves. 18's will not work for sure and even 19s hardly clear them. On what basis do you say they are fragile though? Any data/owner reports to back that up. I would fully expect BMW to replace them under warranty if they broke under normal use or insurance if they are damaged in an accident.
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01-02-2015, 02:47 PM | #12 | |
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01-02-2015, 04:09 PM | #13 |
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01-02-2015, 04:10 PM | #14 | |
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01-02-2015, 04:13 PM | #15 |
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I went to a M3/4 meet a few weeks ago. 1 M4 showed up with CCBs. They are jewelry. So Sick.
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01-02-2015, 04:59 PM | #16 | |
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01-02-2015, 05:08 PM | #17 | |
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The maintenance items like these and the concern over the rotors being more fragile worried me personally. It would be good to confirm whether these concerns are truly meaningful, however, or if it is not a real issue. I am almost certain I read the salt/cleaning/maintenance piece directly from BMW when I was scoping out my M4 build but I can't put my fingers on it now.
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01-02-2015, 05:19 PM | #18 | ||
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01-02-2015, 05:36 PM | #19 |
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I've not experienced any squeal with mine. I can tell you I did a few sessions at TWS and there was hardly any brake dust on the wheels, it was surprising how little dust these things make. I just love the way they look.
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01-02-2015, 06:04 PM | #20 | ||
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01-03-2015, 12:32 AM | #22 |
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Other than price, there are no disadvantages. They are wicked looking. They have performed excellently during daily driving. Finally, they are unique to the M3/M4. So why not purchase the option unique to the car. That's of course if you can stomach the $8K. I took the plunge and have no regrets whatsoever with the CCBs.
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