If you need to do fixes on your BMW R 100 GS PD Classic then it is always a great idea to have a Workshop Manual for a guide just in case you want to know easy methods to take off a specific part for example the Brake Pads and fit it again in the right way.
BMW R 100 GS PD Classic Workshop Manuals provides certain diagnostic information for the automobile so if something is not working it helps you discover what the situation is and how to repair it. You can then evaluate if this can be achieved yourself or if the job is too big it is possible to make a booking for your R 100 GS PD Classic in to a suitable mechanic.
BMW R 100 GS PD Classic manual