MP Style Carbon Fiber Rear Diffuser – BMW G80 M3 / G82 G83 M4 | Eterna Motorworks
Elevate your G8X’s rear with this MP Style Carbon Fiber Rear Diffuser — a sleek, high-quality replacement made to complement the factory bumper lines. Built from real carbon fiber with a UV-resistant gloss finish, this diffuser enhances visual depth and performance presence while delivering factory-grade precision.
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Key Features
• MP Style three-piece diffuser design (center + two side sections)
• Constructed from real 2×2 carbon fiber with high-gloss UV-inhibiting clear coat
• Lightweight yet rigid for long-term durability and minimal flex
• Direct swap with OEM plastic diffuser — snaps into place using factory fasteners and mounting points
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Compatible Models
• BMW G80 M3 Sedan (2021–present)
• BMW G82 M4 Coupe (2021–present)
• BMW G83 M4 Convertible (2021–present)
Precisely engineered to align with G8X rear bumper geometry — will not fit non-M or earlier BMW models.
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What’s Included
• (1) MP Style Carbon Fiber Rear Diffuser (Center + Left & Right Pieces)
• 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 craftsmanship, we’ve earned the trust of enthusiasts and professional builders worldwide by delivering precise fitment, refined quality, and enduring credibility. Each component is curated to the highest performance, styling, and reliability standards — whether on the track or the street.
If your build amplifies presence and purpose—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 the build the right way with Eterna Motorworks.
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MP Style Carbon Fiber Rear Diffuser – BMW G80 M3 / G82 G83 M4 | 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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