


Prepreg Carbon Fiber Rear diffuser w/ LED - BMW X5M X6M
Take the performance and aesthetics of your BMW X5M or X6M to the next level with the PrePreg Carbon Fiber Rear Diffuser with LED. Designed for both improved aerodynamics and a striking visual impact, this rear diffuser combines lightweight prepreg carbon fiber construction with integrated LED lighting for a bold, modern look. Not only does it enhance the rear end of your high-performance BMW, but it also contributes to better airflow, stability, and handling at high speeds. Whether you’re on the street or the track, this rear diffuser delivers both form and function.
Key Features:
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Premium PrePreg Carbon Fiber Construction: Crafted from high-quality prepreg carbon fiber, this rear diffuser is both lightweight and incredibly strong. The carbon fiber material provides exceptional durability and resistance to harsh driving conditions while maintaining a lightweight profile that helps improve your vehicle’s overall performance.
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Aggressive, Motorsport-Inspired Design: The diffuser’s sleek, aggressive design gives the rear end of your BMW X5M or X6M a more dynamic and track-inspired look. The smooth lines and bold contours enhance the vehicle’s sporty aesthetic, creating a more aggressive visual presence on the road or track.
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Integrated LED Lighting: The built-in LED lighting adds a modern touch, offering enhanced visibility and a premium appearance. The LED lights provide a stunning glow, especially in low-light conditions, adding to the overall aesthetic appeal of your vehicle. The lights are carefully integrated into the diffuser to ensure they complement the vehicle's design without overwhelming it.
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Improved Aerodynamics: The rear diffuser helps to optimize airflow around the rear of the vehicle, reducing drag and turbulence. By improving the flow of air underneath the car, the diffuser increases downforce, which enhances stability and handling at high speeds. This is particularly beneficial for high-performance driving, improving cornering ability and overall grip.
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Lightweight Performance Enhancement: The carbon fiber construction reduces the overall weight of your BMW X5M or X6M, which helps improve acceleration, handling, and responsiveness. Carbon fiber’s exceptional strength-to-weight ratio ensures you get the performance benefits without sacrificing durability.
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UV-Resistant Glossy Finish: The carbon fiber is finished with a high-gloss, UV-resistant clear coat that protects the material from fading, discoloration, and environmental damage. This ensures that the rear diffuser retains its striking appearance even after long-term exposure to the elements.
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Easy Installation: Designed for direct fitment to the BMW X5M and X6M, this rear diffuser comes with all the necessary hardware and clear installation instructions. The precise fitment ensures a smooth and hassle-free installation process, allowing you to upgrade your vehicle’s appearance and performance without any complicated modifications.
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Durable and Track-Ready: Built to withstand the demands of both daily driving and high-performance environments, the PrePreg Carbon Fiber Rear Diffuser with LED is resistant to road debris, extreme temperatures, and high-speed conditions. It’s engineered to hold up under the stresses of aggressive driving and provide long-lasting performance.
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Enhanced Visual Appeal: The combination of carbon fiber and integrated LED lights not only improves aerodynamics but also adds a bold, race-inspired look to the rear of your vehicle. The sleek lines and illuminated accents ensure your BMW X5M or X6M stands out wherever you go.
Upgrade your BMW X5M or X6M with the PrePreg Carbon Fiber Rear Diffuser with LED for a perfect balance of improved performance, aerodynamics, and eye-catching design. Whether you’re looking to enhance your car’s handling or add a touch of modern elegance, this rear diffuser is the ultimate performance upgrade for your BMW
We want you to have our parts as quickly as possible. Products that are in stock will be shipped and delivered domestically in 1–5 business days. It will take seven to twenty-one business days for international shipment. An email confirming that your order is being completed will be sent to you once you place it. For in-house orders, please allow a day for processing and the updating of the tracking number. The product page accurately shows the quantity.
Custom steering wheels typically take 20-25 business days for production, with an additional 5-7 business days for shipping. Production and delivery times may vary depending on the complexity of the order and the shipping destination. For more details, please refer to our Shipping Policy.
Our Return Policy permits returns only for products that are found to be defective. You have 30 days from the date of delivery to inspect the product and report any issues.
Regular Cleaning: Maintain carbon fiber parts by cleaning them regularly with a soft cloth and a mixture of mild soap and water. Avoid abrasive or harsh cleaners that could harm the finish.
Use Microfiber Pads and Cloths: Opt for microfiber pads and cloths when cleaning or applying protective coatings to prevent surface scratches.
Protect from Sun and Chemicals: Limit exposure to direct sunlight and harsh chemicals, as they can damage carbon fiber. When possible, use protective covers or park your vehicle in shaded areas.

Why Thousands of Enthusiasts Trust Us
Carbon Industries delivers premium, precision-engineered parts that elevate Vehicle performance and style—backed by expert support and a true passion for the culture. We don’t just sell parts; we fuel the lifestyle.
- Guaranteed Fitment for Your BMW: No guesswork—our parts are designed and tested to fit your exact model perfectly.
- Premium Materials, Always: We use only high-grade carbon fiber, forged metals, and performance-tested components.
- White-Glove Customer Support: Our team of BMW specialists is here to guide you with expert, concierge-level care.
- Trusted by the Elite Vehicle Community: From daily drivers to show builds, our parts are featured on some of the cleanest builds worldwide.

Let customers speak for us
FAQ
Will these parts fit my specific Vehicle model and year?
Yes — every product page includes a “Will This Fit” section to ensure compatibility. If you’re unsure, just send us your VIN or model/year, and our team will confirm fitment for you within 24 hours. We specialize in BMW and European vehicles, so you’re in good hands.
Are these genuine carbon fiber or carbon fiber overlay parts?
We offer only full carbon fiber options. Each listing clearly specifies the construction material. Rest assured, we only source high-quality parts that are durability-tested and made to OEM or better standards.
How long does shipping take and where do you ship from?
Most orders ship from our Irvine, CA warehouse within 1–3 business days. Domestic delivery typically takes 3–7 business days. International shipping times vary by country. Each product page includes real-time shipping estimates based on your location. Certain made to order products will take up to 3-4 weeksfor delivery, including production time.
Do I need professional installation or can I install it myself?
Many of our mods are designed for direct bolt-on installation and can be installed at home with basic tools. However, for certain parts like aero kits or performance components, we recommend professional installation for best results. Each product page includes install difficulty and notes. We offer professional installation at our Santa Clara, CA location.
What if the product doesn’t fit or I change my mind?
No worries — we offer hassle-free returns within 30 days of delivery. If the part doesn’t fit due to an error on our end, we’ll cover the return shipping. For all other returns, we make it easy to exchange or get a refund. See our full Returns & Warranty Policy for details.
Are your parts tested for quality and durability?
Absolutely. All of our products go through quality control checks and are either TUV-certified, ISO-certified, or tested by our in-house team and verified installers. We don’t sell anything we wouldn’t put on our own cars.
Do you offer warranties on your parts?
Yes. Most of our products come with a 90-day limited warranty against manufacturing defects. Some premium items offer extended warranties — details are listed on the product pages. We’re committed to quality and stand behind what we sell.
Can I finance or pay in installments?
Yes — we offer Shop Pay, Affirm, AfterPay, and Klarna at checkout. You can split your purchase into 4 interest-free payments or choose longer-term plans if needed. It’s quick, easy, and won’t affect your credit score (in most cases)