If you choose to accomplish fixes on your own BMW R 1150 RT then it is usually a good plan to own a Workshop Manual to keep just for personal reference if perhaps you want to know simple methods to take off a certain part for example Brake Discs and match it again adequately.
BMW R 1150 RT Workshop Manuals can offer you certain diagnostic facts on your automobile therefore if something is not working it can help you understand what the problem is and ways to repair it. You can then evaluate if this can be achieved on your own or if the job is simply too big you can still make a booking for your R 1150 RT into a decent car garage.
BMW R 1150 RT manual