What does this fit

[richard polley]

Its for an R series but will not fit my RS100 1977

 

[David Nimrod]

I'm pretty sure it's for the R65 (and R45)...

 

[richard polley]

2 Minutes not bad

 

[Steptoe]

I'm pretty sure it's for the R65 (and R45)...

Yep. And it's a genuine BMW item.

I've got an identical one on my R65, only with a chrome finish.