2014-2020 BMW M3 F80 & M4 F82 SM Style Carbon Fiber Rear Lip

Enhance the rear profile of your BMW M3 or M4 with this SM style carbon fiber rear lip. Designed to create a clean yet assertive appearance, this exterior upgrade adds performance-inspired definition beneath the compatible factory rear bumper.

The sculpted SM style design follows the rear bumper contours for a cohesive and integrated finish. Its extended lower profile strengthens the vehicle’s planted stance while complementing the aggressive factory lines of the F80 M3 and F82 M4.

Available in CFRP and FGCF material options, this rear lip combines lightweight construction, durable exterior performance, and premium carbon fiber styling. Designed for 2014-2020 BMW M3 F80 and M4 F82 models, each package includes one rear lip.

Product Specifications

Key Features

• SM style rear lip designed for BMW M3 and M4 models
• Fits compatible 2014-2020 BMW M3 F80 and M4 F82 applications
• Adds a clean yet assertive accent to the lower rear profile
• Available in CFRP and FGCF material options
• Lightweight construction with durable exterior performance
• Follows the compatible rear bumper contours for an integrated appearance
• Enhances the vehicle’s aerodynamic and visual presence
• Complements side skirts, trunk spoilers, and other carbon fiber upgrades
• Suitable for daily-driven, performance, and show-oriented builds
• Includes one SM style carbon fiber rear lip

Configuration Options

• CFRP: Carbon fiber-reinforced polymer construction offering lightweight strength and a premium woven carbon fiber appearance
• FGCF: Forged carbon fiber construction featuring a distinctive textured pattern and performance-inspired finish

Package Includes

• One carbon fiber rear lip

Note: Confirm the vehicle’s exact model, chassis, model year, body style, factory rear bumper design, exhaust outlet configuration, and any installed aftermarket rear components before ordering. This listing includes the rear lip only and does not include the complete rear bumper, exhaust tips, reflectors, brackets, mounting hardware, tape, adhesive, or additional exterior trim unless stated separately.

Installation

• Designed for installation on the compatible lower rear bumper area
• Professional body shop installation is strongly recommended
• Test fit the rear lip before drilling, trimming, bonding, or completing final installation
• Reuse compatible factory mounting points and hardware where applicable
• Automotive-grade adhesive, double-sided tape, brackets, screws, or additional fasteners may be required
• Minor drilling, trimming, adjustment, or fabrication may be required depending on the bumper configuration
• Confirm adequate clearance around the exhaust outlets and surrounding underbody components
• Verify secure mounting and sufficient ground clearance before driving

Fitment

• 2014-2020 BMW M3 F80 Sedan
• 2014-2020 BMW M4 F82 Coupe
• Verify the factory rear bumper and exhaust configuration before ordering

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.