I recommend Zimmermann rotors. German quality. Any of the pads listed will do. Jurid is closest to OEM.
You can get them here, as well as all the other parts you need. Free shipping -
https://www.fcpeuro.com/BMW-parts/X5...&m=1596&page=1
Do you need front rotors and brake pads?
If you do, I have a complete set for sale -
http://www.xbimmers.com/forums/showp...46&postcount=1
I'm in PA. Can meet you half way ...