Adro BMW 2023+ G20 M340I LCI Rear Winglet

Upgrade the rear-end appearance of your 2023+ BMW G20 M340i LCI with this Wet Carbon Fiber Rear Winglet Diffuser. Designed to complete the rear profile of the facelift G20 M340i, this upgrade adds a sharper and more aggressive carbon fiber finish to the factory bumper area.

Handcrafted from premium wet carbon fiber, this rear diffuser and winglet setup is designed to complement the vehicle’s OEM body lines while adding a more performance-focused appearance. The carbon fiber construction provides a clean exterior accent with a premium glossy finish.

This kit includes the rear diffuser, diffuser side fins, 3M tape, bolts/screws, and an installation manual. Professional installation is recommended to ensure proper alignment, secure mounting, and clean fitment.

Product Specifications

Key Features

• Designed for 2023+ BMW G20 M340i LCI models
• Wet carbon fiber construction with premium exterior finish
• Rear winglet and diffuser design enhances the rear-end appearance
• Handcrafted design for a clean, vehicle-specific fit
• Adds a sharper and more aggressive rear profile
• Complements the OEM LCI bumper lines
• Includes diffuser side fins for a more complete rear aero look
• Includes 3M tape, bolts/screws, and installation manual

Configuration Options

• Wet carbon fiber rear winglet diffuser for BMW G20 M340i LCI

Package Includes

• 1 rear diffuser
• 2 diffuser side fins
• 3M tape
• Bolts/screws
• 1 installation manual

Note: This product is designed for 2023+ BMW G20 M340i LCI models. Professional installation is recommended to ensure proper test fitting, alignment, and secure mounting.

Installation

• Test fit the rear diffuser and side fins before final installation
• Clean and prepare all mounting surfaces
• Apply the included 3M tape where required
• Position the rear diffuser evenly along the factory bumper
• Install the diffuser side fins and check alignment
• Secure using the included bolts/screws
• Check all mounting points before road use
• Professional installation is recommended for best results

Fitment

• 2023+ BMW G20 M340i LCI

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.