Liquid error: Index was out of range. Must be non-negative and less than the size of the collection. CARBON LOOK M PERFORMANCE DIFFUSER TWIN EXIT. CARBON LOOK M PERFORMANCE DIFFUSER BMW 4 SERIES F33 F33 F36 MODELS. THESE ARE QUALITY KITS. WE SUPPLY TO MANY WELL KNOWN. THESE ARE PU ABS PLASTIC NOT CHEAP FIBREGLASS. M SPORT BUMPERS ONLY. PICTURES SUPPLIED ARE OUR PARTS FITTED. FIXTURES AND FITTINGS INCLUDED. A PROFESSIONAL BODYSHOP FOR BEST FITMENT RESULTS. We are small family business here in Essex. Big enough to be able to supply in large volumes. But small enough to still care…. Collection is welcome with all our parts. THIS IS A AFTER MARKET PRODUCT NOT GENUINE. PLEASE NOTE NO INSTRUCTIONS. Please ensure you return the goods via track and trace service and fully insured to the correct value of the item your sending back. Get the Latest News Delivered Daily. Specialist in Carbon FIber, Polyurethane, Fiberglass and PP plastic accessories. Based in Loughborough UK since 2007. Developed by Bespoke Technology.