BMW R 32 – year 1923
Manufacturer: Bayerische Motoren Werke GmbH, Munich, Germany
After a period of trials and experiments, the first structurally mature BMW motorcycle was presented at the Paris Motor Show in 1923 year. It was the R model 32, designed by a certified engineer Max Fritz, the company's chief builder. This vehicle started a series of popular motorcycles with boxer engines.
BMW R 32 had a four-stroke engine, lower back, arranged transversely to the longitudinal axis of the vehicle. The diameter of the cylinder and the stroke of the piston were equal to po 68 mm. The engine's cubic capacity was 493 cm3 a moc 6,3 kW (8,5 KM) at 3300 rpm. The engine is equipped with a dry clutch, monotonous, it was locked to a three-speed gearbox, manually controlled. The drive to the rear wheel was transmitted by a shaft with joints. Electricity for the ignition and lighting systems was supplied by a magneto-generator by Bosch. The vehicle had a double tubular and "soft" frame” front suspension - fork with short trailing wishbones, sprung on a quarter-elliptical leaf spring.
At first glance, the motorcycle gave the impression of a solid and well-designed structure. Enclosed, "Smooth” mechanisms, "triangular” fuel tank adapted to the shape of the frame, wide aluminum footrests, a comfortable handlebar and a good saddle are just some of the positives, external qualities. For your attention’ the top speed, which was high at that time, deserved (100 km/h) this, after all, a tourist destination, vehicle. The motorcycle, however, was not the cheapest - its price was 2200 marek.
The basic design solutions of the BMW R 32 (two-cylinder boxer engine, shaft drive with joints) the company has remained faithful to this day.