M Spec
Carbon Fiber Rear Diffuser - BMW M3/M4 G8X
Carbon Fiber Rear Diffuser - BMW M3/M4 G8X
Couldn't load pickup availability
Carbon Fiber Rear Diffuser – BMW M3/M4 G8X (G80, G82, G83)
Crafted from ultra-lightweight dry carbon fiber
Transform the rear end of your BMW G8X with our Carbon Fiber Rear Diffuser, built for aggressive styling and track-ready performance. Precision-engineered to enhance both looks and airflow, this diffuser is made from dry carbon fiber for maximum strength, minimal weight, and a premium motorsport finish.
Key Features:
-
💎 Dry Carbon Fiber Construction
Manufactured using pre-preg, autoclave-cured dry carbon fiber for a flawless finish, high rigidity, and ultra-lightweight performance. -
🏁 Aggressive Aero Design
Deep fins and sharp lines channel airflow and enhance the rear stance of your M3 or M4—perfect for street or track builds. -
⚙️ OEM Fitment
Designed specifically for the G80 M3 and G82/G83 M4 platforms. Installs using factory mounting points with no modifications required. -
☀️ UV-Resistant Gloss Finish
Protected with a UV-stable high-gloss clear coat to prevent yellowing, fading, or cracking over time. -
🛠️ Performance + Style
Improves aerodynamic efficiency while giving your build the carbon edge it deserves.
Vehicle Compatibility:
-
BMW M3 G80 (2021+)
-
BMW M4 G82 Coupe (2021+)
-
BMW M4 G83 Convertible (2021+)
Share



