vs
Brake discs Raybestos or OEM BMW
Look for rotors made from high-carbon iron. High carbon rotors are going to handle heat and resist cracking/warping better than normal grey-iron rotors. They don't have to be extremely expensive either.
Raysbestos Street Performance rotors are high carbon and probably available on Rockauto.
Pros: handle heat, resist cracking
Cons: normal grey-iron rotors
Element3 rotors are A++
Pros: excellent performance
I've had great luck with Raybestos Element 3 rotors..
Pros: great luck
For rotors, you’re lighting money on fire if you get anything other than a set of non coated blanks. You aren’t going fast enough, or running long enough sessions to get them so hot that you need drilled and slotted in an attempt to drop every degree you can off the heat sinks, especially if you aren’t pushing for the full session. A quick browse on RockAuto shows that the cheapest drilled and slotted is just under x3 the price of a Raybestos blank. You can warp a set every weekend and still be way ahead (I promise you won’t warp a set every weekend unless you’re abusing the brakes).
Pros: cost-effective, durable for normal use
Vehicle:
Volkswagen Golf
Raysbestos Street Performance rotors are excellent. They are high-carbon and better able to manage heat and resist warping and cracking than ordinary grey iron rotors.
Pros: high-carbon, manage heat, resist warping
Raybesto Elemental rotors. You wont have to deal with rust on the hats anymore.
Pros: no rust on hats
I’m seeing some very small cracks on the cross-drilled holes. At what point does this become concerning? These are the front rotors on a new G82 M4 comp after about 6 track days using Pagid R29 Yellow pads which I’ve used before with no issues. My preference is to keep the stock rotors rather than switching to non cross drilled rotors
Pros: no issues with previous pads
Cons: small cracks on rotors
Vehicle:
BMW M4
I used Raybestos rotors this last time, and they are OK, but they have a little vibration to them.
Pros: are OK
Cons: little vibration
I have moved over to power stop as well. I've had problems with the Raybestos E3.
Cons: problems with Raybestos E3
Those BMW CSL drilled rotors suck. They came\nstock on my e85 M & they cause horrible pedal pulsation. I did a very deep dive on this after multiple sets & replacing multiple parts & checking everything 20x.\n\nThe bottom line is, those rotors are very susceptible to unlocking thickness variation or warped rotors secondary to water getting in the holes & corrosion forming around them.
Cons: horrible pedal pulsation, rotors susceptible to warping
Vehicle:
BMW
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