This is the oil drain plug gaskets crush washers seals rings fit for BMW motorcycle
Model: BMW K-Series and R-Series Oilheads And R Airheads Boxer Style Twins

Fits:
BMW K75, K100, K1100, K1200, K1300, R45, R50, R60

BMW R65, R75, R80, R90, R850, R900, R1100, R1150, R1200

Part #: 07 11 9 963 252 Years: 1969 - 2012

O.D.(outside diameter): 20 mm / 0.78 inch, I.D.(inside diameter): 16 mm / 0.63 inch , Thickness: 1.5 mm / 0.06 inch

Package including 10pcs aluminum crush washers

Pls check carefully before you buy, any question, pls kindly let us know