Gran Coupe Rear Roof Spoiler Gloss Black——VTEN

For 2021-2027 BMW 4 Series G26 Gran Coupe Rear Roof Spoiler Gloss Black——VTEN
Model & MakeBMW 4 Series
Years2021–2027
FinishGloss Black
BrandVTEN
Product ID15448016388270

$ 139.99

For 2021-2027 BMW 4 Series G26 Gran Coupe Rear Roof Spoiler Gloss Black — VTEN


Part:  Rear Roof Spoiler
Fitment:

Fits 2021 BMW 4 Series G26 Gran Coupe

Fits 2022 BMW 4 Series G26 Gran Coupe

Fits 2023 BMW 4 Series G26 Gran Coupe

Fits 2024 BMW 4 Series G26 Gran Coupe

Fits 2025 BMW 4 Series G26 Gran Coupe

Fits 2026 BMW 4 Series G26 Gran Coupe

Fits 2027 BMW 4 Series G26 Gran Coupe

Location:  Rear Roof Spoiler
Material:  ABS
Color Finish:  Painted Gloss Black 
Type: Bolt-on, Screw-On 
Product Fit: Direct Fit
Warranty & Returns Policy: Check out our Return Policy for more details.
Quantity Sold: 

One piece of Decklid Spoiler Rear Spoiler Wing 

Installation: Please message us for instructions.


Product Features

  • Sleek Fastback Roofline Accent: Accentuates the elongated liftback silhouette of the G26 Gran Coupe, extending the rear roofline downward for a sportier, coupe-like trailing profile.

  • Factory-Grade Gloss Black Finish: Coated in a deep automotive gloss black and sealed beneath a multi-stage clear coat with built-in UV inhibitors to prevent sun fading, hazing, and wash swirl marks.

  • Durable ABS Construction: Precision injection-molded from high-impact automotive ABS plastic engineered to withstand weather extremes, high aerodynamic drag, and automated car washes without warping or cracking.

  • Airflow Guidance: Directs trailing boundary air smoothly off the roof edge and down toward the rear decklid, helping reduce rear window air turbulence and dust accumulation.

  • Precision G26 3D Digital Fitment: Molded from 3D scans of the upper rear glass frame of the G26 Gran Coupe to ensure edge-to-edge contour alignment along the third brake light and window rubber seals.

  • Non-Invasive Stick-on Mounting: Installs directly onto the upper rear glass using heavy-duty automotive mounting tape—no drilling, cutting, or glass modification required.

Installation

  • Installation instructions are NOT included; professional installation is strongly recommended. (You may message us for general installation questions, but we do not take responsibility for teaching buyers how to install).

  • This is an aftermarket, DIY (Do It Yourself) upgrade item. Any damage sustained during or after installation will not be eligible for a refund.

  • Direct add-on upgrade part; thorough surface preparation (cleaning the upper glass with isopropyl alcohol, using an adhesion promoter, and applying firm, even pressure along the pre-applied automotive tape) is essential for a permanent bond. Masking tape should be used to hold the spoiler down for 24 hours while the adhesive cures.

1. Material: Automotive-Grade ABS & Deep Gloss Black vs. Low-Grade Fiberglass

Our VTEN Rear Roof Spoiler is precision-molded from high-impact, high-density ABS thermoplastic and finished in a multi-stage UV-resistant gloss black clear coat. Unlike brittle fiberglass or cheap composite aftermarket parts, this durable construction resists sun exposure, thermal expansion, high-speed buffeting, car wash brushes, and clear coat yellowing, preserving a mirror-like factory shine across all weather conditions.

2. Stance: Fastback Roofline Extension & Aerodynamic Smoothing vs. Bare Rear Glass

Engineered specifically to follow the sloping fastback roofline of the 2021-2027 BMW 4 Series G26 Gran Coupe, this roof wing redirects boundary-layer airflow cleanly down the rear window toward the decklid. This aerodynamic flow management reduces trailing wake turbulence and buffeting, delivering an aggressive sports sedan ground effect and an elongated, coupe-like visual profile while preserving 100% of your factory driving dynamics.

3. Protection: Upper Glass Edge Shield vs. UV Degradation & Weather Debris

Mounted along the upper perimeter of the rear windshield, this spoiler acts as a protective barrier shielding the upper glass seal and interior brake light area from direct sun baking, falling tree debris, and high-pressure water channeling. By deflecting environmental elements away from vulnerable upper trim seals, it helps prevent rubber gasket dry-rotting and directly preserves long-term vehicle resale value.

4. Fitment: Precision 3D CAD Alignment vs. Universal Curved Trims

Engineered specifically for the 2021-2027 BMW 4 Series G26 Gran Coupe (430i, M440i, and i4 Gran Coupe), our OEM-spec fitment matches the curvature of the upper rear glass frame precisely. It installs securely utilizing automotive-grade high-bond double-sided acrylic adhesive tape, providing a flush, gap-free, vibration-resistant hold at highway and autobahn speeds with zero drilling or permanent modifications to the vehicle.

FAQ

Q1: How does this VTEN gloss black rear roof spoiler compare to universal rear window visors?

A1: It provides a tailored OEM+ aerodynamic upgrade specifically 3D-scanned to hug the upper windshield curve of the BMW G26 Gran Coupe, eliminating uneven gaps, warping, or lifting at high speeds for a clean factory-integrated aesthetic.

Q2: Will installing this roof spoiler interfere with the shark fin antenna, third brake light, or rear wiper?

A2: No; it is contoured to sit cleanly along the upper edge of the glass, maintaining complete clearance for the roof antenna and leaving the high-mount rear brake light fully visible from behind for 100% compliance and safety.

     

    RETURN POLICY
    THERE ARE 2 KINDS OF RETURN CASES
    _____________________________________________________________

    WHAT KIND OF RETURN CAN BE RECOGNIZED AS NON-DEFECTIVE RETURN?
    Superautousa ships out right product as product link displayed, and customer want to return:

    Customers order wrong product for their car
    Customers don’t like the product on personal reason
    Customers request return after using or installing the product
    Incorrect or mistakenly installation of a product


    IMPORTANT NOTICE FOR NON-DEFECTIVE RETURN
    If a customer received the wrong product, the customer needs to send an email to info@superautousa.com in 30 days of the item delivery; Otherwise, no return & replacement/refund will be provided from Superautousa.

    If a customer received a damaged product, the customer needs to send an email to info@superautousa.com in 72 Hours of the item delivery. Otherwise, no return/replacement/refund will be provided from Superautousa.

    Return items must be in the original package box, the products need to be in unused & good condition(in the same condition that you received it). Customers need to send pictures of the shipping labels on the package and the pictures of the product in full view to confirm the condition.
    Return address will be provided by Superautousa after non-defective return authorized.
    There will be a restocking fee (20% of the order's original purchase price) deducted from the refund for non-defective return.
    If Superautousa receives the return item in damaged condition, there will be 50% of the order amount deducted from the refund, we highly recommend customers to purchase package protection/insurance.

    IF THE RETURN IS CAUSED BY THE CONSUMER (NON-DEFECTIVE RETURN), CONSUMERS ARE RESPONSIBLE FOR THE SHIPPING FEE. THE SPECIFIC FEE SHOULD BE BASED ON THE EXPRESS COMPANY YOU CHOOSE.


    WHAT KIND OF RETURN IS DUE Superautousa?
    Superautousa sends the wrong product which is different from the product customer ordered, Superautousa will provide the correct product according to customers’ intention.

    Customers receive damaged products, Superautousa will provide replacements.

    Customers receive a product that's missing contents, Superautousa will provide replacements. 



    IMPORTANT NOTICE FOR ALL RETURN/REFUND REQUEST

    Customers need to send an email to info@superautousa.com in 30 days of the item delivery; Otherwise, no return & replacement/refund will be provided from Superautousa.

    If a customer received a damaged product, the customer needs to send an email to info@superautousa.com in 72 Hours of delivery. Otherwise, no return/replacement/refund will be provided from Superautousa.

    Customers need to feedback the product quality/defective issue once they receive it in 72 Hours. If customer feedback the item issue after installation, this kind of request is not acceptable, Superautousa won't provide return and refund on that order.

    Customer need to send pictures in emails, Superautousa will recognize the return reason/confirm the issue(Please send the fitment issue with the required pictures/informations within 10 days after Superautousa send you email to require that/tips as suggested, otherwise the return request will be closed on our end)

    Email content include:

    • Return Reason
    • Detail information of your car and pictures of the car (for fitment issue confirmation)
    • Pictures of the fitment issue area, and full test install (for fitment issue confirmation)
    • Pictures of the front look and back view of the products in full view(product condition confirmation)
    • Pictures of the all shipping labels in the package box
    • Picture of damage area of the product (If damaged product received)


    Return package without authorization by Superautousa is not acceptable, no replacement or refund will be provided for unauthorized return. Thank you for your understanding!

    Orders which have been shipped out and still in transit/shipment cannot be canceled, returned or refunded. Customers need to apply for the return or refund after they receive the products.

    For customers with shipping protection, please keep All Packaging and Damaged Goods When filing a claim, keep all packaging and the damaged goods as they were received, as photographs may be required for claims processing. Do not dispose of any shipment materials or goods before the claim is complete.

     

    Exchanges

    If a customer wishes to exchange for another item, the customer needs to contact info@superautousa.com to request for the exchange.  The customer needs to pay for the price difference (if apply) and pay for the shipping cost.  Superautousa will refund the price difference (if apply) once the exchange request is accepted. 

    Order Cancellation

    If cancel reason is on Superautousa, we will provide a full refund.  The refund is expected to be received in 5 to 7 business days upon notifying. 

    Superautousa accepts all cancellations before fulfillment.

    Orders which have been shipped out cannot be canceled, please check if you need to apply the return.
    Shipping Fee& Package Shipping Insurance Fee is not refundable.

    Refunds

    We will notify you once we’ve received and inspected your return, and let you know if the refund was approved. If the product is returned in damaged, used or defective condition, a 50% restocking fee will apply.  If the reason for returning is not due Superautousa, a 20% restocking fee will apply.  If none of the above conditions apply, you will receive a full refund.  Please remember it can take some time for your bank or credit card company to process and post the refund too.
    If you have not received your refund for more than 15 business days after we’ve approved your return, please contact us at info@superautousa.com.