If you have to execute maintenance tasks for your BMW Scarver then it is usually recommended to have access to a Workshop Manual to keep just for personal reference if perhaps you need to know the best way to strip off a particular component for example, the Brake Pads and match it again perfectly.
BMW Scarver Workshop Manuals offers clear exact diagnostic info for the automobile so if something is faulty it helps you determine what the issue is and how you can repair it. You can then determine if you can do this by yourself or that the job is just too big you could make a booking for your Scarver into a nearby repair garage.
BMW Scarver manual