If you need to accomplish adjustments on your BMW R 505 then it is usually a good idea to have a Workshop Manual to keep just for reference if you need to know the best ways to remove a specific component for example the Brake Pads and install it again safely.
BMW R 505 Workshop Manuals can offer you specific diagnostic wisdom with regards to your car or truck therefore if something is not working it can help you figure out what the issue is and how to fix it. After that you can determine if this can be achieved on your own or if ever the job is too big you can still make a booking for your R 505 right into a suitable garage.
BMW R 505 manual