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Aggressively redefine the rear-end aesthetic of your F80 M3 or F82 M4 with this V Style Carbon Fiber Rear Diffuser. Featuring a sharp central fin design and detachable side extensions, this 3-piece configuration blends aerodynamic form with motorsport attitude. Built from real carbon fiber and designed for clean OEM-style fitment, it delivers visual impact without compromising the natural body line of the F8X.
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Key Features
• V Style 3-piece diffuser with central fin and modular side extensions
• Constructed from real carbon fiber with a 2x2 twill weave pattern
• Designed for aggressive aero styling with OEM fitment points
• UV-resistant gloss finish for clarity and long-term durability
• 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)
• BMW F83 M4 (2015–2020, Convertible)
Direct fit for OEM rear bumper. Not compatible with aftermarket bumpers.
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What’s Included
• (1) Center Carbon Fiber Diffuser Section
• (2) Side Carbon Fiber Extensions (Left + Right)
• Mounting tabs or hardware (may vary by production batch)
• 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.
Pairs well with

V Style 3-Piece Carbon Fiber Rear Diffuser – BMW F80 M3 / F82 M4 | Eterna Motorworks
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.