
When Bryan Fuller learned that BMW had secretly sent prototype 1,800 cc engines to a handful of custom builders ahead of the BMW R18’s release, he went straight into imagination mode. The founder of Fuller Moto couldn’t get the big boxer out of his mind—so when he was finally approached to build a custom R18, you’d better believe he was on board.
The original BMW R18 concept bike was heavily inspired by the BMW R5—a bike that Bryan has been lucky enough to study closely. But when the R18 finally hit the market, it had grown considerably in size.

Once you get the mammoth power cruiser off the line, the weight magically disappears and it’s a total hoot to ride. Nevertheless, the the fact that it has a reverse gear speaks volumes.…