Custom Oilhead from Moto Adonis… In 1993, the BMW R1100RS sport-tourer was the first BMW to use the new “Oilhead” boxer engine, which combined BMW’s traditional air-cooled cylinders with oil-cooled four-valve heads — a concept […]
Custom Oilhead from Moto Adonis… In 1993, the BMW R1100RS sport-tourer was the first BMW to use the new “Oilhead” boxer engine, which combined BMW’s traditional air-cooled cylinders with oil-cooled four-valve heads — a concept […]