I installed the zinc coated $200 drilled/slotted "made in USA" rotors from E-bay (BrakeLabs).

9 mos/15k miles and the hubs still look new. The Cool Carbon pads have worn .01" off the friction surfaces (LF rotor was 2.2" when installed, now 2.18" with 15k miles).

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'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!