update: they balanced my winter set but reported they were not satisfied with the results. The road balance machine is available next week so they requested my car back another day. Don't like that off course, but I do like the fact they are honest and putting in all the effort they can.
Meanwhile, they arranged a driver and a 535 GT to bring me back home, and pick me up in the afternoon in another 5 series with driver
I getting the hang of the CEO feel