Oil filter socket wrench for BMW R 850 - R 1150, K 75 - R 1200RS, R 1200C. 

Fits: 

K75, K 75/2, K 75C, K 75RT, K 75S, K 100, K 100/2, K 100RS, K 100RT, K 100LT, K1, K 100RS 4V, K 1100RS, K 1100LT, K 1200RS, K 1200LT, K 1200GT
R 850R, R 850GS, R 1100R, R 1100RS, R 1100RT, R 1100GS, R 1100S, R 1150GS, R 11500RS, R 1150RT, R 1150R, R 1150 Rockster, R 850C, R 1200C