Originally Posted by BiscottiGelato
What is the main benefit over RB rotors in going with these M3 Competition/Z4M rotors? Price? I am also wondering if cross drilled is any good.
price, oem part (some people like me like this), and increased diameter. cross drilled rotors aren't ideal for track use... they cool better than slotted rotors (all things being equal), but could suffer a marginally higher failure rate (though to be fair, i haven't heard of any failures in these zcp rotors)