Unleash a more aggressive track-inspired look with the V Style Carbon Fiber Undertray Diffuser. Crafted from 2×2 twill real carbon fiber and finished with a high-gloss UV-resistant clear coat, this undertray is engineered to bolt directly to your factory bumper—no trimming necessary. A perfect blend of OEM design and track-focused form.

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Key Features

• Full rear undertray diffuser with integrated V-style fins

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

• UV-resistant high-gloss clear coat for lasting clarity

• Engineered for direct bolt-on fitment using factory mounting points

• Lightweight yet rigid—designed for daily driving or track use

• Matte or forged carbon finish options available upon request

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Compatible Models

• BMW E90 M3 Sedan (2008–2011)

• BMW E92 M3 Coupe (2008–2013)

• BMW E93 M3 Convertible (2008–2013)

Direct replacement for factory undertrays on E90/E92/E93 M3s. Not compatible with non-M3 E90, F-series, or other platforms.

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What’s Included

• (1) V Style Carbon Fiber Undertray Diffuser

• 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 through unmatched quality, precision fitment, and long-term credibility. Every part we offer is curated to uphold the highest expectations in styling, performance, and reliability — whether on the street or the track.

If you’re building something special, consider us your partner.

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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.