R26 Literature
| R26 | Shell Lubrication Chart |
| R26 | Wiring Diagram - German |
| R26 | Wiring Diagram - English |
| R26 | Road Test |
| R26 | Owners Manual - English, French and Spanish |
| R26 1956? | Spare parts list, illustrations only |
| R26/27, R50/60, R69S 1976 | Workshop manual (Very large file) |
| R26, R27 | Repair Manual—German |
| R25/3 & R26 | Road Test - Classic Bike |
| R26 | Road Test - Classic Motorcycle 1990 |
| R26 | Road Test - The Motorcycle 1956 |
| BMW Singles | The Classic Motorcycle 2000 |
| R26 Analysis | Moto-revue (in French) |