BMW Motorcycles

Today in Motorcycle History

BMW R-4 400cc

BMW R-4 400cc 1932-1937

Production years: 1932-1937, 15295 built
Power: 14 CV at 4200 rpm
Capacity: 398cc, 78mm x 84mm
Engine: single cylinder.
Maximum speed: 100 Km/h
Weight: 137-148 Kg

BMW R-4 Series 2 from 1932

BMW R-4 Series 3 from 1934

The R4 was followed by the R35 in 1937.