oilhead การใช้

• As with the airheads, all oilhead GS models are shaft driven.
• In the early 1990s, BMW updated the R1150GS . More powerful variants of the oilhead engines are available in the R1100S and R1200S, producing, respectively.
• In 1995, BMW ceased production of airhead 2-valve engines and moved its boxer-engined line completely over to the 4-valve oilhead system first introduced in 1993.
• After the type 247, BMW substantially changed the engine design to include partial oil cooling and four valves per cylinder, a design which was to become known as the " oilhead ".