The BMW Euro E-34 microfiche Workshop Manual part number is: 01 51 9 780 741. I have version 03/95
Before paying $280 from Schiff European you may want to contact your local BMW Dealer and ask them to order it for you, if it is still avaliable. The Dealer List Price is $19.
Also, to get a complete repair information (overhaul) on a BMW you would need to secure:
Workshop Manual: Remove and Replace parts
Repair Instructions for Constructions Groups: 11, 12, 13, 23, 24, 33, details for inter-assembly repair.
Technical Data: Adjustment and maintenance Specifications.
Nominal Values: Test Measurements.
Electrical Troubleshooting Manual: Chassis Wiring between electrical systems.
Technical Training Manuals: describes electrical systems (functions and signals), limited inter-module block diagrams.