Wunderlich - Oil Filler Plug for BMW S 1000 RR (-2011)This oil filler plug has a great look, feel and finish, while offering inherent tamper and theft resistance. Lightweight, solid machined aluminum, without any complex mechanisms, it simply replaces the original. The filler plug is well suited to race track requirements, as it is pre drilled for safety wire and it includes an aluminum bracket for safety wire attachment on the engine case. The facts: Can only be opened with the included special key One