Genuine BMW M Performance Carbon Fibre Door Sill Trims (G82/G83/G87/G42/G22/G23)Genuine BMW M Performance carbon fibre door sill trims for the BMW G82 and G83 M4, as well as the G87 M2, G42 M240i and G22 4 Series add a premium touch to your vehicle's interior that you'll notice every time you open the door. The smaller details like this can go a long way in making your BMW feel more special and personal. These carbon door sill work well with other M Performance products and add a more sporty and luxurious feel to the footwell.