You could try these: Galfer Performance Motorcycle Braking Systems | 2015 BMW R NINE T Rear Pads - FD186G1371Same here Mine look identical @ 2,900 miles.
2014 BMW RnineT. #34212335465: Set, brake pads, organic
I'm running them. Less money (even less if you shop around a bit) plus they're easy on the disc and you'll have a rear brake that actually works.