2017-2023 BMW M550i G30 G31 G38 M Performance Style Gloss Black Rear Diffuser

Upgrade the rear-end styling of your BMW M550i G30/G31/G38 with this M Performance Style Gloss Black Rear Bumper Diffuser, designed to add a bolder and sportier appearance.

This replacement diffuser features a lower shark fin design that enhances the rear bumper profile while complementing the M550i exhaust tip layout for a clean performance-inspired finish.

Made from lightweight and durable polypropylene, this rear diffuser comes in a gloss black finish and installs using a clip-on design for direct fitment on compatible M550i models.

Product Specifications

Key Features

• Designed for 2017-2023 BMW G30/G31/G38 M550i models
• M Performance style design adds a sportier rear-end appearance
• Lower shark fin diffuser styling enhances the rear bumper profile
• Designed for direct fitment with M550i OEM exhaust tips
• Gloss black finish provides a sleek performance-inspired look
• Lightweight polypropylene construction offers durability for daily use
• Clip-on replacement design for straightforward installation

Configuration Options

• M Performance style gloss black rear diffuser
• Designed for M550i exhaust tip fitment

Package Includes

• One gloss black rear bumper diffuser
• Mounting clips or components as supplied

Note: Gloss black finish is not factory color-matched. This diffuser fits M Sport bumper models, but upgrading to M550i exhaust tips is recommended for the proper rear-end look. Professional installation is highly recommended.

Installation

• Remove the original rear diffuser before installation
• Install the replacement diffuser using the clip-on mounting design
• Check exhaust tip clearance and alignment before final seating
• Designed to pair with M550i OEM exhaust tips
• Professional installation is highly recommended for best fit and finish

Fitment

• 2017-2023 BMW M550i G30
• 2017-2023 BMW M550i G31
• 2017-2023 BMW M550i G38

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.