This switch was installed in various R2V Boxer, as well as K 75/100/1100 and R4V models from 09/84.
with M8x1 thread

clutch switch
BMW R80GS R100GS R100GS PD from 90, R80GS Basic, R80R, R100R, R100R Mystic
BMW K75 K75/2 K75C K75RT K75S K100 K100/2 K100RS K100RT K100LT K1 K100RS4V K1100RS K1100LT
BMW R850GS R850R R1100GS R1100R R1100RT R1100RS R1150GS
R1150GS Adventure

Brake light switch manual
BMW R65 R80 R80RT R100RS R100RT Monolever R80GS R100GS R100GS R80GS Basic R80R R100R R100R R100R Mystic
BMW K75 K75/2 K75C K75RT K75S K100 K100/2 K100RS K100RT K100LT

Brake light switch foot
BMW R65 R80 R80RT R100RS R100RT monolever

Throttle rail/throttle body switch
K75 K75/2 K75C K75RT K75S K100 K100/2 K100RS K100RT K100LT K1 K100RS4V K1100RS K1100LT

for comparison 61311459569