The word behemoth is underused these days, so we’ll apply it here; BMW’s six cylinder K1600GT made an impressive appearance on the BSD Dyno courtesy once again of those upstanding fellows at BIKE magazine. It made 120lb-ft torque, not massive horsepower but more than enough, and you could put it in top gear at 20mph and leave it there, much like a big scooter. Which, we guess, it is. A really, really big scooter…