F22 AP Carbon Fiber Rear DiffuserF22 AP Carbon Fiber Rear Diffuser Looking to change the look of your F Series M Sport rear bumper and dont know where to begin? The team at Cen Cal has exactly what you need to give your vehicle a bold and aggressive upgrade. Our AP Designed F Series Carbon Fiber Rear Diffuser is a simple yet striking enhancement that transforms the rear profile of your BMW with a motorsport inspired appearance. Crafted from premium carbon fiber, this diffuser