Akrapovic 2021+ BMW M3 (G80)/M4 (G82) Rear Carbon Fiber Diffuser

Give the rear end of your BMW G80 M3 or G82 M4 a sharper, more refined performance look with this Akrapovic Rear Carbon Fiber Diffuser. Designed to add extra visual impact, this diffuser enhances the lower rear bumper area while highlighting the exhaust tailpipes for a cleaner motorsport-inspired finish.

Hand-crafted from lightweight carbon fiber, this rear diffuser delivers a premium exterior upgrade with an aggressive yet OEM-quality appearance. Its design is especially suited for showcasing Akrapovic exhaust tailpipes, making it an ideal pairing for vehicles equipped with a matching exhaust system.

Produced in-house with ABE type approval, this diffuser is built for 2021-2024 BMW G80 M3 and G82 M4 models. It is perfect for owners looking to complete the rear exterior with a high-quality carbon fiber accent.

Product Specifications

Key Features

• Designed for 2021-2024 BMW G80 M3 and G82 M4 models
• Hand-crafted carbon fiber construction for a premium rear exterior finish
• Lightweight accessory designed to enhance the lower rear bumper area
• Creates a sharper and more performance-focused rear appearance
• Designed to showcase Akrapovic exhaust tailpipes
• Produced in-house with ABE type approval
• Ideal pairing with an Akrapovic exhaust system
• Adds extra visual impact while maintaining a clean high-end fitment style

Configuration Options

• Material: Carbon fiber
• Design: Rear diffuser for enhanced exhaust presentation
• Compatibility: Designed for BMW G80 M3 and G82 M4 models
• Recommended Pairing: Akrapovic exhaust system

Package Includes

• 1 carbon fiber rear diffuser

Note: This diffuser is designed to complement Akrapovic exhaust tailpipes. Professional installation is recommended for best fitment, alignment, and finish.

Installation

• Install on the rear bumper diffuser area
• Test fit before final installation
• Ensure proper alignment around the exhaust tailpipes
• Confirm all mounting points and clearances before final installation
• Professional installation is recommended for best results

Fitment

• 2021-2024 BMW G80 M3 Sedan
• 2021-2024 BMW G82 M4 Coupe

United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.

Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.  

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: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
• DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
• Lens Replacements: 1-3 weeks plus shipping time.

Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.