hi lenz..thought i'd update you. i went to see the bike. i started it and nothing seemed any different. same wonderful sound, nothing amiss.
i took it to BMW service (by truck). they say there is a special tool, some sort of pump? they have to use to get the coolant to the correct levels. seems topping off the reserve tank on the left of the bike and topping off the radiator itself (fill neck under right faring) is not enough. so, apparently, there was coolant in the system but not enough.
do you know anything about this special tool? this service center does not have one. i am told they ordered one so they can fill my cooling system. again, sounds trippy to me, why a special tool to get coolant to all the right places?