3D Design Carbon fiber body kit set for BMW 4 series G26 M Sport Buy BMW G26 4 Series Gran Coupe CSL Front Grille [W or W O ACC] Dry Future Design Carbon Fiber Body Kit Set for BMW 4 Series G26 Gran Coupe SQ Aero Dry Carbon Rear Bumper Trim Set G26 4 Series Gran Coupe 3D Design Carbon fiber body kit set for BMW 4 series G26 M Sport Buy BMW 4 Series G26 Front Splitter Dry Carbon Fibre SOOQOO Style Carbon. NWCarbon Haus 4 Series U06 G06 i4 U11 OEM Style Dry Carbon Fiber Antenna Trim Constructed of pre preg carbon fiber using state of the art technology to ensure perfect fitment and quality every time. Lead time 3 4 weeks.