03-21-2024, 08:11 AM | #1 |
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CCBs question
Good morning all,
I’m sure this has been asked a million times, but I’m new to this thread and still slightly new to BMW (always been in LS cars). I recently got a 2015 M4 that came with CCBs, and I have seen on this forum and other places that I don’t really have to worry about changing them for a long time (car has 50k miles) unless I track or crack them, but Ive had shops tell me I need to replace them in the next year or so. Is there anyway for me to know when they need to be replaced? I seriously doubt if they normally last 150k plus miles that I already need to replace them. Thanks! |
03-24-2024, 10:20 AM | #3 |
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You weigh them. If you look at the aluminium bell you have a minimum weight written on them. The most important thing with these discs is to not overheat them so even if you do track days i suggest that you use cooling for the brakes.
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03-25-2024, 07:50 AM | #4 |
///M Powered for Life
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with street use, they absolutely last 150k miles
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04-01-2024, 05:05 AM | #5 |
Second Lieutenant
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Wear indicator circles on the disc if this is chipped then they are on their way out if fully chipped they are finished. These circles were put in place for easy way to understand if they need changing.
They will never need to be changed for over 100k in miles if not tracked. |
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04-01-2024, 03:26 PM | #6 |
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There’s this company Triton Motorsports that offers CCB 400x38 & 380x28 replacement rotors for BMW CCB brake setup (~$10k for four rotors + pads) AND CCB 380x30 & 370x24 replacement rotors for BMW Blue brake setup (~$10k for four rotors + pads). They state their CCB rotors are far superior to BMW CCB rotors because they use long chopped fibers compared to BMW’s use of small chopped fibers. Also, their rotors can be serviced three times before needing to be replaced vs. BMW CCB rotors which they state cannot be serviced. They offer CCB brake pads but it’s not clear if they are street or track pads.
They also offer CCB to iron setups for the f8x with CCBs as well as two-piece direct iron replacement rotors for the f8x Blue calipers. Another option for CCB iron conversion and two-piece rotors for Blue calipers. I have no idea about the performance and quality of their rotors. I’ve asked them if they’re aware of Rebrake that can apply a new friction layer (the cracked surface you see on CCB rotors) to BMW CCBs. Also, I asked them if their CCB rotors have mass (resin) loss with heat cycling. They haven’t answered my questions. |
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