Name: Asign Rear Quarter Window Louver Trim for BMW 1 / 3 / 4 / 5 Series & X Series
Brand: BMW
Price: 149.9 USD
Availability: InStock

1 / 38

Exterior Styling Upgrade

Rear Quarter Window Louver Trim for BMW

Give your BMW a sharper side profile with Asign Rear Quarter Window Louver Trim. Designed as a tape-on exterior styling upgrade, this left-and-right louver set adds a sportier rear-side look without drilling, cutting, or replacing factory parts.

Tape-On Installation No Drilling ABS Material 1 Pair Included Carbon Fiber Film / Gloss Black

Installation TypeTape-On

MaterialABS

PositionRear Quarter Window Area

PackageLeft & Right Pair

Sharper Side Profile

The rear quarter window area can look plain on many BMW models. This louver trim adds a more aggressive visual layer and helps the side profile look more performance-oriented.

No Body Modification

This is a decorative exterior cover, not a replacement glass or body panel. It installs with adhesive backing, so there is no drilling, cutting, or permanent body modification required.

Sporty OEM-Plus Look

Choose Carbon Fiber Film for a performance-inspired look or Gloss Black for a cleaner blackout appearance. Both finishes are designed to upgrade the exterior without looking overdone.

Why Add Rear Quarter Window Louvers?

This trim is built for owners who want a more noticeable exterior upgrade without changing major body parts. It gives the rear-side window area more depth and makes the vehicle look wider, sharper, and more customized from the side angle.

Adds a sportier rear-side visual effect
Enhances the quarter window area
Works with daily-driven BMW builds
Creates a cleaner customized exterior appearance

Finish Options

Select the finish that best matches your exterior style.

Style	Visual Effect
Carbon Fiber Film	Sportier, performance-inspired exterior look. This is a visual film finish, not real carbon fiber material.
Gloss Black	Clean blackout styling with a sharper OEM-plus appearance.

Compatible BMW Model Options

Select your exact BMW model and year range before ordering. Rear quarter window shape may vary by model year, body style, and trim, so match the product option carefully.

BMW Model	Listed Year Range
1 Series	2011–2019
3 Series	2005–2012 / 2013–2019 / 2020–2025
4 Series	2014–2019 / 2020–2025
5 Series	2004–2010 / 2011–2017 / 2018–2023
X1	2016–2022
X3	2018–2024
X4	2014–2017 / 2018–2025
X5	2019–2025
X6	2008–2014 / 2015–2019 / 2020–2025

Fitment note: this product is designed for selected BMW model options. Before installation, compare the trim shape with your rear quarter window area and test-fit both sides first.

Tape-On Installation

Installation is designed to be simple and reversible when removed carefully. No factory window, glass, or body panel needs to be replaced.

Clean the Surface

Remove dust, wax, moisture, and oil from the rear quarter window area before installation.

Test-Fit First

Place both left and right pieces on the vehicle before removing the adhesive backing.

Press Firmly

After alignment, press the trim evenly for 30–60 seconds to improve adhesive contact.

Before You Order

Confirm your BMW model and year range.
Check your rear quarter window shape before installation.
This is an exterior styling cover, not a replacement part.
Do not install over loose trim, damaged surfaces, heavy wax, or wet areas.
For colder weather, warm the adhesive slightly before installation.
Avoid washing the vehicle for 24–48 hours after installation.

Exterior Impact

Adds a more aggressive rear-side window treatment and helps the vehicle look more customized from side and rear three-quarter angles.

Daily-Use Friendly

Designed as a visual upgrade for daily-driven vehicles. It adds styling without requiring complex installation or permanent modification.

Left & Right Included

Each order includes one pair of rear quarter window louver trims for both sides of the vehicle.

What’s Included

Left Side Louver Trim Right Side Louver Trim Pre-Applied Adhesive Backing 1 Pair Total

FAQ

Is this a replacement part?

No. This is a tape-on decorative exterior trim. It does not replace the factory glass, window, or body panel.

Does it require drilling?

No. It installs with adhesive backing. No drilling or cutting is required.

Does the package include both sides?

Yes. The package includes one left-side piece and one right-side piece.

What material is it made from?

It is made from ABS material for exterior styling use.

Is the Carbon Fiber Film option real carbon fiber?

No. Carbon Fiber Film refers to the exterior visual finish. The base material is ABS.

Will it damage my car?

It does not require permanent modification when installed properly. For removal, use controlled heat to soften the adhesive and remove it carefully.

Can I install it myself?

Yes. Test-fit first, clean the surface, align carefully, and press firmly after applying.

Will it affect rear visibility?

This product is mainly for exterior styling. Visibility impact depends on your vehicle’s window shape and viewing angle.

How do I choose the correct option?

Select the product option that matches your BMW model and year range. If your vehicle has aftermarket body trim or a different quarter window shape, confirm before ordering.

Can I wash the car right after installation?

No. Avoid car washing or heavy moisture for 24–48 hours after installation to allow the adhesive to bond properly.

Upgrade the Rear Side Profile Without Permanent Modification

Choose your BMW model, year range, and finish to give your rear quarter window area a cleaner, sportier, more aggressive exterior look.

Mehr ansehen

Weniger ansehen

Asign Rear Quarter Window Louver Trim for BMW 1 / 3 / 4 / 5 Series & X Series

FAST SHIPPING

Free Shipping, Fast Deliver, Always

CHAT WITH US

Real Support, Real People, We’re Here to Help.

SECURE PAYMENTS

Trusted Payments, Guaranteed Security

Asign x AIG Protection

Coverage for delays, lost packages and damage

Frequently Asked Questions

What makes Asign different from other brands?

Asign stands out by offering meticulously designed carbon fiber kits that fit seamlessly with a variety of vehicle models. Our commitment to precision, use of high-quality materials, and focus on ease of installation set us apart in the market.

Why should I choose Asign's carbon fiber kits?

A1: Precision Design & Fit

Our design process strictly follows original vehicle specifications to ensure a perfect fit for your car. We approach each product with exceptional care and attention to detail.

A2: High-Quality Materials & Manufacturing
Asign uses the highest precision steel molds for production, reducing errors and maximizing accuracy. We employ pre-impregnated carbon fiber for all our products, making them genuine and lightweight, yet as strong as steel.

A3: Easy Installation & Non-Destructive Removal
Most of our carbon fiber kits can be installed in under 10 minutes (excluding special items like Front Splitters, Rear Diffusers, and Exhaust Tips). Designed for quick installation and removal without damaging your car's surface, our products offer both convenience and flexibility.

How does Asign ensure product quality?

Asign upholds strict quality control standards throughout the production process. We use premium materials and advanced manufacturing techniques, followed by comprehensive testing to ensure every product meets our high standards for performance and durability.

What if I have a quality issue with my product?

If you encounter any quality issues with your Asign product, please contact our customer service team right away. We will promptly address your concerns and offer solutions, including replacements or refunds, as appropriate.

How can I make sure the product I order fits my vehicle?

Before placing an order, carefully check your vehicle's specifications and refer to the product description for compatibility information. If you have any questions or concerns, our customer service team is always available to provide personalized advice and guidance.

What is Asign's return policy?

Our return policy varies depending on the specific product and the reason for the return. Please refer to our website or contact our customer service team for detailed information on our return and exchange procedures.

Warenkorb

Ihr Warenkorb ist derzeit leer.

Asign Rear Quarter Window Louver Trim for BMW 1 / 3 / 4 / 5 Series & X Series