BMW R-4 Sre. 3 1934

  • Timerange of production: 1932-37
  • Power: 14 CV at 4200 rpm
  • Displacement (ccm): 398 c.c.
  • Type of engine: One cylinder, four stroke.
  • Transmisión: Cardan
  • Maximum speed: 100 km/h
  • Weight: 137-148 Kg
  • Sold

BMW R-4 Sre 3 1934. Old restored motorcycle. Good work.

In 1932, with the R-4, BMW is finally placed in the intermediate category between the R-2 and 750 cc boxer.

It was produced using innovative techniques of mass production, with design and quality. The frame and other steel parts were quick and easy to assemble, reducing manufacturing costs.

The single-cylinder engine of the R-4 was somewhat heavy, and with more load on the front, but it was indestructible and that was something that made them favorites for police forces and the German army;

The model progressed through 5 series, until the cessation of production in 1937.


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