Call Brain keller at sun motor cars bmw. He's the parts manager. He's the best around period. Got me pads, rotors, sensors, and wipers for my x3. For literally 600$ less than my local dealership. I've bought a ton from him since my m235i back In 2014. He's awesome and loves the forum guys.
In case you need references:
http://www.2addicts.com/forums/showthread.php?t=989036