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BMW M5 F90 (2018+) General Forums Mechanical Maintenance: Break-in | Oil & Fluids | Servicing | TSB | Recalls    Cracked Ceramic Break Rotor **HELP NEEDED**

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      05-17-2020, 01:47 AM   #1
KBM5
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Cracked Ceramic Break Rotor **HELP NEEDED**

Hello Guys,

So today I was about to go on a drive with my 2018 F90 M5 and a noticed something unusual on my driver side Ceramic Break Rotor. I had a closer look and it looked like a piece of my rotor just fell off and left a hole (look at the pictures attached).

My car has 23,000 Kms on it, I maintain extremely well, I'm extremely cautious with it. The car has been tracked once in its life about a year and a half ago, I also often go for spirited drives, and the car is winter driven as well in Montreal QC, where it gets VERY cold. When I do use my breaks hard, I do give them a cool off period of at least 3-5 minutes of slow driving to air off the heat from the disks before completely stopping, and make sure I do not over heat my rotors. I use the car how it is meant to be used, mostly on highways for speed runs and or twisty roads a times, but again never abusing my breaks. Again I'm very cautious.

Therefore I have the following questions:

I was wondering what could've caused such an issue?

Is this something that can be covered under the warranty?

Can I still drive the car in the mean time? How safe is it?


Thank you guys for any help or insight you have on this issue!
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      05-18-2020, 12:00 PM   #2
marcvtec
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Send the pics to your service - I would not drive it, only looks like it would get worse, and yes I would want this to be a warranty item.
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      06-02-2020, 08:01 PM   #3
Demon Barber
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Where did the rest of this entire thread go?
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      06-03-2020, 01:59 PM   #4
kdeleon
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Quote:
Originally Posted by Demon Barber View Post
Where did the rest of this entire thread go?
It’s still in the general thread. There were multiple posts put in separate areas.

https://f90.bimmerpost.com/forums/sh....php?t=1721364
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      06-03-2020, 03:43 PM   #5
Demon Barber
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Good call, thanks. I was worried it got deleted somehow.
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      06-25-2020, 09:07 AM   #6
8th_Sin
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I had CCBs on my 911 Turbo S and occasionally a rock hit justttt right and can damage them, even if being very cautious.

Hope things worked out for you!
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