Brand New Replacement Contitech Continental Alternator Belt Compatible with BMW Oilhead Compatible with BMW Oil/Hexhead R850R, R1100S, R1150R, R1150GS, R1200C, R1200CL Part # 12 31 1 341 779 Years: 1992-06 Length: 611 mm NOTE: Alternator belt service 36 000 miles 60 000km for maintenance. Please Verify Your Current Belt Before Ordering Belt Applies To Later Dual Spark Models Please check if this part fits your motorcycle in the Application Guide below.