BMW 5 Series G30 G31 G38 M Sport Gloss Black Rear Diffuser 2017-2022

Upgrade the rear-end styling of your 2017-2022 BMW 5 Series with this M Sport Gloss Black Rear Diffuser, designed to give the vehicle a cleaner, sportier, and more aggressive appearance.

Made for BMW G30, G31, and G38 5 Series models, this diffuser enhances the M Sport rear bumper with a bold gloss black finish that adds contrast and visual depth to the rear fascia.

With its vehicle-specific design and sleek M Sport styling, this rear diffuser is ideal for owners looking to refresh the exterior appearance of their 5 Series with a refined performance-inspired upgrade.

Product Specifications

Key Features

• Designed for 2017-2022 BMW 5 Series G30, G31, and G38 models
• M Sport style design enhances the factory rear bumper appearance
• Gloss black finish adds a sleek, bold, and modern rear-end accent
• Improves the vehicle’s sporty exterior profile with a cleaner diffuser design
• Vehicle-specific fitment for an integrated appearance
• Pairs well with other gloss black or carbon-style exterior upgrades

Configuration Options

• Gloss Black Finish: Sleek black finish for a sportier rear bumper appearance

Package Includes

• 1 Rear Diffuser

Note: Designed for compatible BMW 5 Series models with M Sport rear bumper styling. Professional installation is recommended to ensure proper alignment and secure fitment.

Installation

• Installs onto the rear bumper as a diffuser replacement or upgrade
• Test fitting is recommended before final installation
• Additional clips, hardware, adhesive, or minor adjustments may be required depending on vehicle condition and bumper configuration
• Professional installation is strongly recommended

Fitment

• 2017-2022 BMW 5 Series G30
• 2017-2022 BMW 5 Series G31
• 2017-2022 BMW 5 Series 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.