Carbotech Ax6 brake pads

[dabimmerman]

Has anyone used Carbotech Ax6 pads? I am looking new pads that will mostly be used on the street. I can tolerate dust and the occasional squeak. I have the Ax6 pads on my 370z and they are quite on the street and their stopping power and feel is phenomenal. I may get a slight squeak 1 out of every 5 times I drive the car. Everyone seems to go for the Carboetch 1521 pads but I want to know if anyone has tried the Ax6 on the M5. Most say the Carboetch 1521 pads have the performance of OEM pads but I am looking for better performing pads.