M Performance Style Carbon Fiber Rear Dual Diffuser – BMW F30 3 Series | Eterna Motorworks
Sharpen the rear-end presence of your F30 with this M Performance Style Carbon Fiber Rear Dual Diffuser — a subtle but aggressive upgrade inspired by BMW’s factory M Performance aero design. Featuring clean fins and precision-cut contours, this diffuser brings balanced aggression and OEM-level integration to the 3 Series platform. Perfect for dual exhaust setups, it adds form and function to match the F30’s refined chassis lines.
This is a must-have carbon accent for owners looking to bring their rear profile to life without overdoing it.
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Key Features
• M Performance Style design with integrated dual outlet layout
• Constructed from real carbon fiber with a 2x2 twill weave pattern
• Compatible with factory dual exhaust configuration
• Gloss clear-coated for UV protection and long-term clarity
• Designed for OEM fitment with no trimming required
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Compatible Models
• BMW F30 3 Series (2012–2018, Sedan)
Fits 328i, 330i, 335i, and 340i trims with M Sport rear bumper and dual exit exhaust.
Not compatible with single-exit rear bumper.
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What’s Included
• (1) M Performance Style Carbon Fiber Rear Dual Diffuser
• 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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M Performance Style Carbon Fiber Rear Dual Diffuser – BMW F30 3 Series | 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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