For 2021-2025 BMW Coupe G22 G23 4 Series 430i 440i M-Sport Smoke Lens LED Shark Fin Gloss Black Rear Diffuser
Fitment
Fits 2021–2025 BMW G22 / G23 4 Series with M Sport Bumper only
Will NOT fit models with regular non-M Sport bumper
For M440i models: change of exhaust tip is required; won’t fit OEM rectangular exhaust
Please check exhaust opening size in pictures; exhaust tip may need to be adjusted
Package Includes
1x Painted Glossy Black LED Rear Bumper Diffuser Replacement (as shown)
Technical Details:
100% Brand New
Shark Fin Style Rear Diffuser with newly designed smoke-tinted double vertical LED tube brake lights
Direct replacement for the diffuser on your car
Excellent fitment and high-quality construction
Dual round exhaust openings (one round exhaust each side; see pictures for size)
Made of lightweight, durable polypropylene material
Well-constructed tabs for easy clip-on installation
Pre-painted Glossy Black Finish (generic black; not factory color match)
Dramatically enhances the sporty appearance of your 4 Series, giving an aggressive rear-end look
LED 3rd brake light adds a racing sport touch and improves rear-end visibility for safety
Installation instructions not included
Wiring required for LED brake lights to function
Rear bumper removal is highly recommended for proper installation and wiring
Professional installation is highly recommended
Product Information
Product Information
Shipping & Returns
Shipping & Returns





For 2021-2025 BMW Coupe G22 G23 4 Series 430i 440i M-Sport Smoke Lens LED Shark Fin Gloss Black Rear Diffuser
For 2021-2025 BMW Coupe G22 G23 4 Series 430i 440i M-Sport Smoke Lens LED Shark Fin Gloss Black Rear Diffuser
Fitment
Fits 2021–2025 BMW G22 / G23 4 Series with M Sport Bumper only
Will NOT fit models with regular non-M Sport bumper
For M440i models: change of exhaust tip is required; won’t fit OEM rectangular exhaust
Please check exhaust opening size in pictures; exhaust tip may need to be adjusted
Package Includes
1x Painted Glossy Black LED Rear Bumper Diffuser Replacement (as shown)
Technical Details:
100% Brand New
Shark Fin Style Rear Diffuser with newly designed smoke-tinted double vertical LED tube brake lights
Direct replacement for the diffuser on your car
Excellent fitment and high-quality construction
Dual round exhaust openings (one round exhaust each side; see pictures for size)
Made of lightweight, durable polypropylene material
Well-constructed tabs for easy clip-on installation
Pre-painted Glossy Black Finish (generic black; not factory color match)
Dramatically enhances the sporty appearance of your 4 Series, giving an aggressive rear-end look
LED 3rd brake light adds a racing sport touch and improves rear-end visibility for safety
Installation instructions not included
Wiring required for LED brake lights to function
Rear bumper removal is highly recommended for proper installation and wiring
Professional installation is highly recommended
Original: $209.00
-70%$209.00
$62.70Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Fitment
Fits 2021–2025 BMW G22 / G23 4 Series with M Sport Bumper only
Will NOT fit models with regular non-M Sport bumper
For M440i models: change of exhaust tip is required; won’t fit OEM rectangular exhaust
Please check exhaust opening size in pictures; exhaust tip may need to be adjusted
Package Includes
1x Painted Glossy Black LED Rear Bumper Diffuser Replacement (as shown)
Technical Details:
100% Brand New
Shark Fin Style Rear Diffuser with newly designed smoke-tinted double vertical LED tube brake lights
Direct replacement for the diffuser on your car
Excellent fitment and high-quality construction
Dual round exhaust openings (one round exhaust each side; see pictures for size)
Made of lightweight, durable polypropylene material
Well-constructed tabs for easy clip-on installation
Pre-painted Glossy Black Finish (generic black; not factory color match)
Dramatically enhances the sporty appearance of your 4 Series, giving an aggressive rear-end look
LED 3rd brake light adds a racing sport touch and improves rear-end visibility for safety
Installation instructions not included
Wiring required for LED brake lights to function
Rear bumper removal is highly recommended for proper installation and wiring
Professional installation is highly recommended
























