BMW G82 G83 M4 M Performance Style Carbon Fiber Rear Apron Lip Splitter 2021-Up

Enhance the rear styling and aerodynamic performance of your 2021-Up BMW G82 Coupe or G83 Convertible M4 with this M Performance style carbon fiber rear apron lip splitter. Designed to replicate the aggressive factory M Performance appearance, this upgrade adds a sharper, motorsport-inspired look while maintaining OEM-level integration.

Engineered specifically for the G82 and G83 M4 platforms, this rear lip improves airflow along the lower bumper and contributes to increased rear downforce and stability at higher speeds. The sculpted design adds depth and definition to the rear profile, delivering a more performance-focused stance.

Constructed from real carbon fiber, this rear lip offers lightweight durability and a premium finish. The high-gloss UV-resistant coating enhances the carbon weave while protecting against fading, oxidation, and environmental wear, making it suitable for both daily driving and show-quality builds.

Product Specifications

Key Features

• Designed for 2021-Up BMW G82 Coupe and G83 Convertible M4 models
• M Performance style rear lip for aggressive OEM+ styling
• Enhances rear bumper definition and sporty appearance
• Improves airflow and aerodynamic efficiency
• Increases rear downforce and high-speed stability
• Carbon fiber construction for lightweight strength and durability
• High-gloss UV-resistant finish prevents fading and discoloration
• Precision fitment for seamless OEM integration
• Resistant to heat, UV exposure, and environmental wear
• Suitable for daily driving and performance builds
• Direct bolt-on installation

Configuration Options

• Gloss Carbon Fiber – Premium high-gloss carbon weave finish

Package Includes

• Carbon fiber rear apron lip splitter

Note: Professional installation is recommended to ensure proper alignment and secure mounting.

Installation

• Direct bolt-on installation
• Uses factory mounting points
• No cutting required
• No permanent modification required
• Ensure proper alignment before tightening
• Professional installation recommended

Fitment

• 2021-Up BMW G82 M4 Coupe
• 2021-Up BMW G83 M4 Convertible
• Fits G82 and G83 M4 models only

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.