





Carbon Fiber Twin Lower Air Ducts – BMW G80 M3 / G82 M4 | Eterna Motorworks
Complete the front-end aero package on your G80 M3 or G82 M4 with this Carbon Fiber Twin Lower Air Duct Set. Designed to mount in the lower front bumper inlets, these ducts enhance airflow and aggressively define the front fascia with real carbon fiber construction. The twin-duct design mirrors OEM styling with a track-ready aesthetic, offering both visual impact and functional airflow channeling. Whether paired with a carbon front lip or installed as a standalone detail, these ducts elevate your front-end presence with precision fitment and motorsport influence.
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Key Features
• Twin duct design for left and right lower bumper inlets
• Constructed from real carbon fiber with a 2x2 twill weave pattern
• Real carbon fiber construction with gloss UV-protected finish
• Designed for OEM G8X bumper geometry – no modifications required
• Lightweight, durable, and ideal for street or track use
• Matte and forged carbon options available upon request
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Compatible Models
• BMW G80 M3 (2021–2025, Sedan) – Base & Competition
• BMW G82 M4 (2021–2025, Coupe) – Base & Competition
Designed for OEM front bumpers. Not compatible with non-M models or aftermarket bumpers unless specified.
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What’s Included
• (1) Left and (1) Right Carbon Fiber Lower Air Duct
• Pre-molded mounting points (adhesive or clip-in style depending on variant)
• Installation tape not included
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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 Twin Lower Air Ducts – BMW G80 M3 / G82 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.