I had a GS1100 and it had terrible fueling problems at low revs and would stall in traffic when going slowly. The GS 1150 of a friend threw 3rd gear and needed a new box and the lights were dreadfull. The GS1200 I have heard of which were early examples apparently suffered from CPU problems and gear ...

I had an R1100GS which had an agricultural gearbox rather like a WW2 lorryin third gear. Very heavy and top heavy when laden but a strong bike with good build quality. I would choose the Multi as it may seem incredible to all but it should be more reliable than the BMW judging from the trouble I ...