Wheel offset
Wheel offset for R51/2 – R68, R50 – R69S models (from “1000 Tricks für Schnelle BMW’s”)
Motorcycle models
Overview of BMW motorcycle models produced from 1948 to 1969 (specials not included) Click for larger image: Models & Production Numbers
Valves types and related components
Overview of the different valve types and related components, used in the BMW 2-cylinder motorcycles 1948 – 1969