BMW 4 Series G26 Dry Carbon Fiber Body Kit Front Lip Side Skirt Rear AutoTecknic Dry Carbon Competizione Trunk Spoiler for G26 BMW 4 Series BMW 4 Series G26 Dry Carbon Fiber Body Kit Front Lip Side Skirt Rear G26 M Performance Carbon Fiber Spoiler Cvrbonized. NWCarbon Haus Dry Carbon 4 Series G26 AC Style Dry Carbon Fiber Roof Spoiler. Constructed of pre preg carbon fiber using state of the art technology to ensure perfect fitment and quality every time. 3 4 weeks lead time