2006-2008 BMW 3 Series E90 4DR AF-1 Trunk Lid (GFK) 2006-2008 - BMW 3 Series Trunk/Hatch by Aero Function Aero Functions - GFK (Glass Fibre Komposite), CFP (Carbon Fibre Plastic), and Pur Rim (Polyurethane Plastic) products are founded from the roots of motorsports to not only enhance appearance but to also improve functionality and performance. We have over ten years of experience in engineering and manufacturing of aerodynamic components for vehicles throughout the world. All Aero Function products are handmade with specially trained employees that meet the standard and demands of our customers. Cars depicted are highly modified for show which may include molding or adding to the original piece. Parts such as lights, splitters, canards, paint, and others accessories are not included unless specified in the product title/description Fiberglass Material