Breather plates on the R51/3 – R69S engines

3 different breather plates have been used on the boxer engines:

Exhaust systems R50 – R69S

Table with part numbers Click here to view enlarged table  

Crankshaft shims

Overview of the different crankshaft shims used in the boxer engines

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

Fuel cocks

Overview of fuel cock types for 1 and 2-cylinders