Carbon Fiber Wheel Arch Extensions – BMW G80 M3
Refine the side profile and rear stance of your G80 M3 with these Carbon Fiber Wheel Arch Extensions from Eterna Motorworks. Designed to accentuate the factory fender lines while subtly enhancing width and aggression, these extensions offer the perfect OEM+ styling detail. Molded from real carbon fiber with a UV-resistant gloss finish, they mount directly to the existing arch with precision fitment, giving your M3 a more dynamic, race-ready look without disrupting factory proportions.
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Key Features
• Real carbon fiber rear wheel arch extensions (left + right)
• Constructed from real carbon fiber with a 2x2 twill weave pattern
• Designed to enhance fender contour and rear profile
• Lightweight, high-strength construction with UV-protected gloss finish
• Pre-molded for direct application to OEM fender arches
• Matte and forged carbon options available upon request
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Compatible Models
• BMW G80 M3 (2021–2025, Sedan) – Base & Competition
Designed for OEM G80 M3 rear fenders only. Not compatible with G20 3 Series or widebody conversions.
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What’s Included
• (1) Pair of Carbon Fiber Rear Wheel Arch Extensions (left + right)
• 3M backing or installation tape (if applicable)
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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.
Pairs well with
Carbon Fiber Wheel Arch Extensions – BMW G80 M3
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Product Questions
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 difficult is installation?
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.
How do I confirm fitment before ordering?
Fitment details are listed on each product page. If you’re unsure or your build has unique specs, submit the form and our team will verify compatibility before you order.
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With over a decade of hands on experience, a growing portfolio of award winning show builds, and direct relationships with top-tier brands, we make sure you get premium products, trusted service, and real automotive expertise. Our team has built multiple award winning vehicles featured at top tier shows like SEMA and Bimmer Invasion. Everything we offer is tested, trusted, and backed by real world experience.
Eterna Motorworks can source or special-order nearly any component for your build — OEM-fitment parts, performance upgrades, carbon fiber aero, suspension, wheels, and even bespoke options depending on the platform. Click here to contact our team.
