If you want to execute auto repairs for your BMW R 850 C Avantgarde then it will always be a good plan to possess a Workshop Manual to keep just for a guide in case that you need to know the right way to take out a certain component for example, the Clutch and match it again perfectly.
BMW R 850 C Avantgarde Workshop Manuals provides certain diagnostic facts with regards to your car so if something is not working it can help you figure out what the problem is and the best way to resolve it. After that you can evaluate if you can do this by yourself or that the job is too big you could make a reservation for your R 850 C Avantgarde in with a suitable friendly mechanic.
BMW R 850 C Avantgarde manual