Originally Posted by Porschefile
Never owned a E46, but I can tell you that I left the stock rears on my E92 even with Stoptech bbk up front and it works great (and I'm hard on brakes). I would change pads to stoptech street performance or real race pads though.
Thanks for the info.
I bought a Stoptech ST40 355mm front kit and bought PFC01 pads for the front and back.
For $135 for a set of regular blank rear rotors I decided it's worth the peace of mind to know that if my ZCP rear rotors warp I have a set of new ones in my track tool kit.