To further enhance the styling and downforce of the rear end of the vehicle Vorsteiner designers have developed a lightweight carbon fiber aero diffuser which bolts onto the factory M3/M4 rear bumpers. Vorsteiner's Autoclaved Pre-Preg Carbon Fiber structure gives parts superior stiffness, aerospace strength & durability compared to traditional hand laid carbon fiber composites.
Carbon Fiber structure
Aerospace Strength & Durability
2x2 Carbon Fiber Weave
BMW F80 M3 15-18
All Vorsteiner carbon aero programs are TUV certified. Each TUV certified product goes through rigorous testing to ensure that it adheres to the highest ECE regulations.