BMW Final Drive Drain Plug O-Ring 11.2mm x 1.8mm
K1600 Models Uses this on the fill and drain for the final drive
2011-2023 K1600GTL
2011-2023 K1600GT
2005-2008 K1200S
2005-2008 K1200R
2007-2008 K1200R Sport
2006-2008 K1200GT
2008-2015 K1300R
2009-2011 K1300GT
2018-2023 K1600B
2018-2023 K1600BGA
2020-2023 R18
2021-2023 R18C
2022-2023 R18TC
2022-2023 R18B
2005-2018 R1200GS
2007-2018 R1200GSA
2005-2018 R1200RT
2007-2018 R1200R
2015-2018 R1200RS
2019-2023 R1250GS
2019-2023 R1250GSA
2019-2023 R1250RS
2019-2023 R1250RT
2019-2023 R1250R
All R Nine T Models 2014-2023