Gilles Tooling Oil Filler Cap OFC-24-20-B for BMW Gilles Tooling Gilles Tooling oil filler cap OFC-24-20-B. See if it fits your bike. BMW HP4 BMW M 1000 R BMW M 1000 RR BMW M 1000 XR BMW R 1300 GS BMW S 1000 R BMW S 1000 RR BMW S 1000 XR