2021–2025 BMW M3 G80 / M4 G82 G83 Dry Carbon Rear Bumper Diffuser Trim
Fitment:
Make: BMW
Model: 2021–2025 BMW M3 G80 / M4 G82 G83
Year: 2021 - 2025
- Free Shipping within the Continental US | Worldwide Shipping AVAILABLE
Shop premium parts to enhance your vehicle's performance, style, and customization with high-quality upgrades. This G8X M3/M4 Dry Carbon Diffuser Trim adds a sharp, aggressive detail to your rear end while maintaining the sleek factory look.
Modify your car with BayOptiks








Shop premium parts to enhance your vehicle's performance, style, and customization with high-quality upgrades. This G8X M3/M4 Dry Carbon Diffuser Trim adds a sharp, aggressive detail to your rear end while maintaining the sleek factory look. This is a complete replacement of the OEM plastic pieces, including tow hook cover.
Crafted from lightweight dry carbon fiber, it's designed for a perfect fit on the factory rear diffuser without the need to drill. An easy upgrade that elevates the rear styling of your BMW for street or show.
Fitment: 2021–2025 BMW M3 G80 / M4 G82 G83
Package Contents: One dry carbon fiber rear diffuser trim including tow hook cover
We offer free shipping within the Continental U.S, for Headlights, Taillights, DRLs and Carbahn controllers. For Exterior and Performance products, standard shipping rates apply, We also ship worldwide, with rates automatically calculated at checkout.
Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!
- Complete Headlights: 3-5 business days for order processing plus shipping time.
- Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
- New OEM and cores: Additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North America, European, etc.)
- DRLs, Taillights and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
Please note:
We do not have control over vendor, manufacturer or delivery service time frames, which may cause delays in components and shipment.