If you want to do maintenance on your CSR B09 50 then it is usually a great idea to own a Workshop Manual for a guide if you want to know methods to remove a specific part like the Drive Shaft and install it again the right way.
CSR B09 50 Workshop Manuals offers you exact diagnostic wisdom on your car so if something is wrong it helps you understand what the issue is and the best way to repair it. Then you are able to assess if this can be done by yourself or if the job is just too big you are able to make a reservation for your B09 50 right into a trusted garage.
CSR B09 50 manual