2021-UP BMW M3 G80 BKSS Style Rear Diffuser

Upgrade the aggressive rear stance of your BMW M3 G80 with this BKSS Style carbon fiber rear diffuser with LED light and exhaust tips. Designed to create a bold motorsport-inspired appearance, this rear-end upgrade enhances the lower bumper profile while complementing the factory body lines of the G80 M3.

The rear diffuser features integrated LED lighting and includes exhaust tips for a more complete performance-focused rear setup. Its sculpted design adds visual depth to the rear bumper area, creating a sharper and more dynamic appearance for street and track-inspired builds.

Crafted from CFRP, FGCF, or DryCF material options, this rear diffuser delivers lightweight construction, premium finish quality, and strong exterior styling appeal. Designed for 2021-2025 BMW M3 G80 models, each package includes one rear diffuser with LED light and one set of exhaust tips.

Product Specifications

Key Features

• BKSS Style carbon fiber rear diffuser designed for the BMW M3 G80
• Designed for 2021-2025 BMW M3 G80 models
• Adds a bold and aggressive rear-end appearance
• Integrated LED light creates a modern performance-focused rear detail
• Includes one set of exhaust tips for a complete rear-end setup
• Available in CFRP, FGCF, and DryCF material options
• Enhances the rear lower bumper area with a motorsport-inspired design
• Designed to improve aerodynamic presence and rear profile definition
• Complements the factory G80 M3 body lines
• Includes one rear diffuser with LED light and one set of exhaust tips

Configuration Options

• Material Option: Available in CFRP, FGCF, or DryCF material options
• Rear Diffuser Setup: BKSS Style rear diffuser enhances the G80 M3 rear lower bumper profile
• Lighting Setup: Integrated LED light adds a modern rear-end accent
• Exhaust Setup: Includes one set of exhaust tips for a complete performance-inspired rear appearance
• Exterior Styling: Carbon fiber finish adds a premium motorsport-inspired rear-end detail

Package Includes

• One rear diffuser with LED light
• One set of exhaust tips

Note: Professional installation is recommended. Test fitting is recommended before final installation. This rear diffuser includes an integrated LED light and exhaust tips. Final fitment may require minor adjustments depending on the vehicle and selected material option.

Installation

• Designed for installation on the rear lower bumper area
• Professional installation is recommended for proper alignment and secure fitment
• Test fitting is recommended before final mounting
• Some adjustment may be required during installation for best results
• LED light connection should be handled by a professional installer
• Exhaust tip installation and alignment should be checked during fitting

Fitment

• 2021-2025 BMW M3 G80

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.