2018-2023 BMW M5 F90 CS Style Carbon Fiber Center Rear Bumper Diffuser

Upgrade the rear-end styling of your BMW M5 F90 with this CS Style Carbon Fiber Center Rear Bumper Diffuser, designed to add a sleek and aggressive track-inspired appearance.

This direct center-piece replacement diffuser enhances the rear bumper area with a sharper aerodynamic profile while giving the M5 a more performance-focused rear presence.

Crafted from real 3K weave carbon fiber, this diffuser is lightweight, durable, and UV-protected to help prevent fading while maintaining a premium carbon fiber finish.

Product Specifications

Key Features

• Designed for 2018-2023 BMW F90 M5 all models
• CS style design creates a more aggressive rear-end appearance
• Direct center-piece replacement for the original rear diffuser section
• Real 3K weave carbon fiber construction provides lightweight strength
• UV-protected finish helps prevent fading
• Enhances the rear bumper with a sleek aerodynamic profile
• Bolts on after removing the original diffuser

Configuration Options

• CS style real carbon fiber center rear diffuser
• Designed for BMW F90 M5 rear bumper fitment

Package Includes

• One CS style carbon fiber center rear bumper diffuser
• Mounting components as supplied

Note: Professional installation is highly recommended. Original diffuser removal is required before installation.

Installation

• Remove the original center rear diffuser section before installation
• Position the new CS style carbon fiber diffuser in place
• Bolt on using the supplied or factory mounting points where applicable
• Check alignment before final tightening
• Professional installation is highly recommended for best fit and finish

Fitment

• 2018-2023 BMW M5 F90 All Models

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.