Thursday 19th September 1929

Ernst Henne riding a 750 cc super-charged BMW, set a new motorcycle record, reaching a speed of 134.65 mph (216.75 km/h). All in all, Ernst Henne’s BMW took 76 world records with the bike staying in a state of active development for 6 years between 1929 and 1935.The BMW R37 had a twin cylinder engine in a boxer configuration, the total capacity was 749cc and the bore/stroke was 83mm/68 mm. It’s estimated that with the supercharger installed, the engine was producing 100+hp, a staggeringly high number in 1929 and significantly higher than almost any road car of the era.