2017-2023 BMW G30 5 Series M5 Smoke lens LED Gloss Black Rear Diffuser

Upgrade the rear-end styling of your BMW G30/G31/G38 5 Series with this M5 CS Style Gloss Black Rear Diffuser, designed for vehicles equipped with the M Sport rear bumper.

This direct replacement diffuser enhances the rear profile with a more aggressive performance-inspired look while adding functional visual detail through the integrated smoke lens LED brake light.

Crafted from lightweight and durable polypropylene, this diffuser comes in a pre-painted gloss black finish for a sleek exterior upgrade. Wiring is required for the LED brake light, and rear bumper removal is needed for proper installation.

Product Specifications

Key Features

• Designed for 2017-2023 BMW G30/G31/G38 5 Series models with M Sport rear bumper
• M5 CS style design creates a more aggressive rear-end appearance
• Integrated smoke lens LED brake light adds functional visual detail
• Direct replacement diffuser design replaces the original rear diffuser
• Pre-painted gloss black finish provides a sleek performance-inspired look
• Lightweight polypropylene construction offers durability for daily use
• Designed exclusively for M Sport bumpers

Configuration Options

• M5 CS style gloss black rear diffuser
• Integrated smoke lens LED brake light
• Designed for BMW 5 Series M Sport rear bumper fitment

Package Includes

• One gloss black rear bumper diffuser
• Integrated smoke lens LED brake light
• Mounting components as supplied

Note: Fits BMW G30/G31/G38 5 Series models with M Sport rear bumper only. Gloss black finish is not factory color-matched. Rear bumper removal and LED wiring are required. Professional installation is highly recommended.

Installation

• Remove the factory rear diffuser before installation
• Rear bumper removal is required for proper fitment
• Install the replacement diffuser onto the M Sport rear bumper
• Wire the integrated LED brake light before final assembly
• Test fit and check alignment before final mounting
• Professional installation is highly recommended for fitment, wiring, and finish

Fitment

• 2017-2023 BMW 5 Series G30 with M Sport rear bumper
• 2017-2023 BMW 5 Series G31 with M Sport rear bumper
• 2017-2023 BMW 5 Series G38 with M Sport rear bumper

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.