Fitment

• Fits 2021–2023 BMW G22 / G23 4 Series with M Sport Bumper only

• Only fits models with M Sport Bumper

• Will NOT fit models with regular non-M Sport bumper

• Will NOT work with rectangular exhaust tips on M440i models — proper round exhaust tips required

• Please check exhaust opening size in pictures; exhaust tip may need adjustment

Package Includes

• 1x Carbon Fiber Rear Bumper Diffuser with LED Brake Light + Corner Extension Kit (as shown)

Technical Details:

• 100% Brand New & Never Used

• Real carbon fiber K-Style shark fin rear bumper diffuser with dual vertical LED tube brake lights and corner extensions

• Excellent fitment and high-quality construction

• Direct replacement for the original diffuser

  • Simple clip-on installation for the diffuser

  • Corner extensions install using screws

  • Wiring required for LED lights

• Quad exhaust openings included

• Made of super lightweight, durable real carbon fiber

• UV-protective clear coating — fade and rust resistant

• Quality 3K weave carbon fiber with hard UV-protected coating

• Dramatically enhances the sporty appearance of your 4 Series

• LED 3rd brake light adds a racing sport touch and improves rear-end visibility for safety

• Installation instructions not included

• Rear bumper removal recommended for proper installation

• Drilling may be required

• Professional installation is highly recommended