2019-2023 BMW 3-Series (G20) AutoTecknic Dry Carbon Extended-Fin Competition Rear Diffuser
AutoTecknic's Extended-Fin Competition Rear Diffuser enhances the G20 3-Series with lightweight, carbon-fiber construction and improved aerodynamics.
- The description claims the diffuser provides genuine aerodynamic functionality.
- The description claims the diffuser is made with 100% dry carbon pre-preg technology.
- The description claims the diffuser requires the M Performance rear valance for proper fitment.