Quadlock makes a waterproof wireless mount that's I've used on several bikes including my R18FE. I just fabricated a short flat plate between the handlebar clamp bolts and mounted it to that .
Run a USB cable to a BMW adapter on the left side of the bike. Super easy and I've never had a...
I'm also looking to purchase a set of the copper rondels. I've like them on the tank and have just completed restoring a pair of Wixom hard bags for the R18 FE and would like to match everything