Performance V1 Carbon Rear Diffuser - F80 M3 | F82 / F83 M4Give your F80 M3 or F82 and F83 M4 a clean OEM plus appearance with the Performance V1 carbon fiber rear diffuser. Designed to enhance the factory rear bumper, this diffuser adds subtle visual aggression while maintaining a refined, factory inspired look. Constructed from genuine prepreg carbon fiber, the diffuser features a 2x2 carbon weave and a high gloss finish that closely matches OEM BMW M Performance components. It installs using the factory