I've used the Centric rotors on my 4.8 and they are very good OE type replacements. I've also used the Axxis pads and they are very good for low dust and also good for stopping power, but they are harder to find now.

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'06 X5 4.8is, TiAg/black, cold weather pkg., comfort seats
'07 750Li, TiAg/black, sport pkg.
'05 Ford F350 silver met./slate gray, Lariat, 6.0 PSD, CC, DRW, FX4