Carbon Fiber Side Skirt Extensions – BMW E90 / E92 / E93 M3 | Eterna Motorworks
Sharpen the lower profile of your E9X M3 with our Carbon Fiber Side Skirt Extensions, designed to deliver a race-inspired aesthetic while maintaining clean OEM alignment. These extensions follow the natural rocker line of the factory side skirts and introduce an aggressive horizontal blade that extends visual width and ground presence.
Each set is molded for true plug-and-play fitment and designed to flow seamlessly with front and rear aero components — perfect for track builds or daily-driven M cars seeking an aggressive yet balanced silhouette.
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Key Features
• Extended blade design adds aggressive side profile
• Constructed from real carbon fiber with a 2x2 twill weave pattern
• UV-protected high-gloss finish for long-term durability
• Lightweight and rigid construction for OEM-style install
• Designed to follow OEM M3 side skirt lines
• Matte and forged carbon options available upon request
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Compatible Models
• BMW E90 M3 (2008–2011, Sedan)
• BMW E92 M3 (2008–2013, Coupe)
• BMW E93 M3 (2008–2013, Convertible)
Compatible with all factory E9X M3 side skirts. Not designed for non-M 3 Series side skirts.
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What’s Included
• (2) Carbon Fiber Side Skirt Extensions (Driver + Passenger Side)
• Pre-drilled or flat-backed mounting surface
• 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.
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Carbon Fiber Side Skirt Extensions – BMW E90 / E92 / E93 M3 | Eterna Motorworks
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Quick Answers
Will this fit my vehicle?
This part is made for the models listed above. If you’re unsure, send us your year, make, and model and we’ll confirm fitment for you.
What’s included?
You’ll receive exactly what’s shown. Hardware is not included unless the product description says otherwise.
How’s the install?
We recommend professional installation. If you’re local, you can book an install with us directly. Some parts may need trimming, drilling, or adjustment depending on your setup.
Do you ship internationally?
Yes, we ship worldwide. Contact us if you need help placing an international order.
Still have questions?
Reach out anytime. We’re here to help before and after your order.
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