Yoshimura BMW S1000RR Inspection Plug Yoshimura has consistently payed close attention to the minor details, and you should do the same. All of our hard parts work in conjunction with each other to give your BMW a uniform aftermarket look.  ? CNC machined from high quality billet 6061-T6 Aluminum ? Pre-drilled for safety wire ? Black anodized finish ? Laser etched Yoshimura logo