The chrome caps for the gear oil filler screw are an optical improvement for your BMW.
You simply push them on. The caps fit into the gear oil filler screw with Allen head and will fit any other screws with the same Allen size.
Not for R 1200 GS
Chrome cap II was created for covering the gear oil filler...
These round head screws with hexagon socket are made of...
This is the solution to getting at those hard-to-reach valve...