Genuine BMW CSL Side Marker Set - G82 M4The new M4 CSL includes red accent lines to emphasize its sporting nature. From the unique front grille to the CFRP splitters and air curtain inserts in the front bumper, flowing around the two chiseled indents in the hood, up over and around the car on the two fins on the CFRP roof along with the contours of its side sills. Finally, the black model badges, these red outlines set the new CSL apart from any BMW that's come before it. Standard models