2021-UP BMW M4 G83 Convertible BKSSII Style Wide Fender Flares

Enhance the rear profile of your BMW M4 G83 Convertible with these BKSSII Style Wide Fender Flares. Designed to widen the vehicle’s stance while adding a bold and aggressive appearance, these fender flares create a more motorsport-inspired rear-end look.

Crafted from premium material options including PCF, FGPCF, and DryPCF, these wide fender flares deliver lightweight strength, durability, and refined finish quality. Their design allows for additional wheel clearance while complementing the convertible’s factory body lines.

Engineered for 2021-2025 BMW M4 G83 Convertible models, these BKSSII Style rear fender flares install using double-sided tape and adhesive with no cutting required. They are ideal for owners looking to add a subtle yet impactful wide-body styling upgrade to the rear of their M4 Convertible.

Product Specifications

Key Features

• Designed for 2021-2025 BMW M4 G83 Convertible models
• BKSSII Style wide fender flares for a bolder rear profile
• Enhances rear stance with aggressive motorsport-inspired styling
• Allows for more wheel clearance and upgraded rear-end appearance
• Crafted from premium material options including PCF, FGPCF, and DryPCF
• Lightweight construction with durable performance-focused finish quality
• Designed to complement the M4 Convertible’s factory body lines
• Installs using double-sided tape and adhesive with no cutting required
• Ideal for street, show, and performance-inspired BMW builds

Configuration Options

• BKSSII Style wide fender flare design
• PCF material option
• FGPCF material option
• DryPCF material option
• Rear fender flare upgrade setup
• No-cut adhesive installation layout

Package Includes

• One pair of fender flares

Note: Designed for BMW M4 G83 Convertible models only. Professional installation is recommended to ensure proper fitment, fender flare alignment, adhesive bonding, wheel clearance, panel gap consistency, and finish.

Installation

• Confirm BMW M4 G83 Convertible fitment before installation
• Clean and prepare the rear fender flare mounting areas before applying adhesive
• Test fit both BKSSII Style wide fender flares before final installation
• Verify alignment with the rear quarter panels, wheel arches, bumper area, and surrounding body lines
• Apply double-sided tape and adhesive evenly for secure placement
• Confirm flare positioning, wheel clearance, and bonding before final pressure is applied
• Professional installation recommended for best fitment and finish

Fitment

• 2021-2025 BMW M4 G83 Convertible

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.