LED / OLED Third Brake Light Rear Diffuser – BMW F30 / F32 3-Series
Upgrade your rear-end design with this integrated LED third brake light diffuser, tailored to add aerodynamic depth and dynamic safety styling to your F30 or F32 BMW. Constructed from real 2×2 twill carbon fiber and featuring a built-in high-visibility lamp, it blends aggressive aesthetics with practical function for an elevated rear profile.
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Key Features
• Carbon fiber diffuser with integrated LED third brake light for enhanced visibility and style
• Made from genuine 2×2 twill carbon fiber with UV-resistant gloss clear coat
• Seamless integration that preserves factory lines
• Lightweight yet durable—designed for daily driving and spirited use
• Direct bolt-on replacement—usually installs over factory undertray using OEM points; some trimming or wiring may be required based on bumper style
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Compatible Models
• BMW F30 3‑Series Sedan (2012–2019) — M‑Sport undertray or diffuser
• BMW F32 4‑Series Coupe (2014–2020)— with matching rear diffuser design
Not compatible with standard (non-M‑Sport) models or wagon/convertible variants, due to diffuser cutout mismatch.
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What’s Included
• (1) LED Third Brake Light Rear Diffuser (Single Piece)
• Installation hardware not included on most products
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Why Buy From Eterna Motorworks
Eterna Motorworks sets 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 pro builders worldwide for delivering unmatched quality, precision fitment, and long-term credibility. Every component is curated to raise the bar in styling, performance, and reliability—whether you’re cruising the streets or chasing track times.
If you’re seeking purposeful upgrades with clarity of intent—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.
Pairs well with
LED / OLED Third Brake Light Rear Diffuser – BMW F30 / F32 3-Series
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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.
