BMW 3 Series F30 F31 M Sport Carbon Fibre Rear Valance Diffuser Dual Exit 11-19. It will NOT fit the’M3′. Please ensure your bumper matches the ones shown in the photos. Material: High Quality ABS With Carbon Fibre Pattern Finish. Installation: Easy to install, however we do recommend professional installation. Our Range of Products. Grilles, Meshes & Vents. Welcome to Auto Perfectionists UK. We are a team of highly skilled professionals with over 10 years’ experience working in the engineering industry and working at Rolls-Royce. We have developed an unparalleled drive for quality and countless hours go into refinement at Auto Perfectionists UK. When passion meets skill, perfection is created and this is what we do at Auto Perfectionists UK. We are Auto Perfectionists, and we thank you for your custom. We despatch everyday Monday – Friday. For any more information please do not hesitate to get in touch. We do our best to have items listed that are in stock, feel free to get in touch if you want to double check.