Refine the rear-end aesthetic of your F80 M3 or F82 M4 with these Carbon Fiber Rear Valance Covers — a subtle yet striking addition that enhances the lower diffuser area with premium carbon fiber detail. Designed to overlay the factory valance trim, these covers create a more aggressive contrast and visual depth without altering OEM lines.

Ideal for enthusiasts seeking a clean upgrade without a full diffuser swap, this overlay solution delivers a high-end finish with minimal installation effort.

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Key Features

• Overlay-style carbon fiber rear valance covers

• Designed to enhance the factory rear diffuser area

• Constructed from real carbon fiber with a 2x2 twill weave pattern

• Gloss UV-resistant clear coat for long-term durability

• Clean OEM-style fitment

• Matte and forged carbon options available upon request

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Compatible Models

• BMW F80 M3 (2015–2018, Sedan)

• BMW F82 M4 (2015–2020, Coupe)

  Fits OEM rear bumper valance. Not compatible with aftermarket diffuser replacements.

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What’s Included

• (1) Pair of Carbon Fiber Rear Valance Covers (Driver + Passenger)

• Designed as an overlay (not a full replacement)

• Installation hardware not included on most products

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Why Buy From Eterna Motorworks

Eterna Motorworks is the standard in premium aftermarket automotive parts and services. With over a decade of hands-on experience, we’ve earned the trust of enthusiasts and professional builders worldwide by delivering unmatched quality, precision fitment, and long-term credibility. Every part and service we offer is curated to meet the highest expectations in styling, performance, and reliability — both on the road and in the shop.

If you’re searching for a trusted partner to set your build apart — welcome to the team.

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Professional installation is highly recommended.

Installation hardware not included on most products.

For full fitment, installation, and store policy details, please refer to our policies before purchasing.

Worldwide shipping available upon request.

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Your next mod starts here. Upgrade your build the right way with Eterna Motorworks.