BMW utilises unique battery sizes not interchangable with Japanese models
BA KTZ19-S - European # 51913 or 51814 Powerful 19 amp hour, fully sealed battery for 'K' and 'R' series BMW. Measurements: 181 mm x 76 mm x 167 mm Suits: K1200, K1300, R1100, R1150, R1200, R75, R80 all models BA KIX30L-BS Alternate 30 amp hour fully sealed battery. No maintenance, high power battery. Measurements:166 x 126 x 175
BA YTX14-BS 12 amp hour maintenance free. Measurements: 150 x 87 x 145 Suits: K1200S '05-10, R1200GS '05-10, F650GS '09-10, F800GS '09-10
BA YB12AL-A (NOTE: no acid supplied with this battery type) 12 amp hour battery Measurements: 134 x 80 x 160 Suit: F650 Check out the Koyo Application Book below for more models