


Prepreg Carbon Fiber Rear Trunk Spoiler - BMW X3M F97 X4M F98
levate the performance and aesthetics of your BMW X3M F97 or BMW X4M F98 with the Prepreg Carbon Fiber Rear Trunk Spoiler. Designed to offer superior aerodynamic benefits and a bold, motorsport-inspired look, this high-quality carbon fiber spoiler enhances both the rear profile and driving dynamics of your BMW. Crafted using prepreg carbon fiber for a lightweight yet durable design, this spoiler helps improve stability at high speeds while adding a sleek and aggressive touch to your vehicle.
Key Features:
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High-Quality Prepreg Carbon Fiber Construction:
The rear trunk spoiler is made from prepreg carbon fiber, which ensures superior quality, strength, and durability. Prepreg carbon fiber is known for its advanced construction process that results in a more rigid, long-lasting product, offering improved performance benefits and a smooth, glossy finish. -
Enhanced Aerodynamics and Downforce:
Designed to reduce drag and increase downforce, this rear trunk spoiler optimizes airflow around the rear of your vehicle. By providing better rear stability, the spoiler ensures greater control and handling, especially during high-speed driving, aggressive cornering, or track use. -
Aggressive, Motorsport-Inspired Aesthetic:
The sleek, sharp design of the Prepreg Carbon Fiber Rear Trunk Spoiler enhances the overall look of your BMW X3M F97 or X4M F98. The carbon fiber finish adds a sophisticated, race-ready appeal, giving your vehicle a more dynamic and performance-driven look that stands out from the crowd. -
Lightweight Performance Benefits:
Carbon fiber is renowned for its lightweight properties, which contribute to overall vehicle weight reduction. By reducing weight without compromising on strength, the rear trunk spoiler improves acceleration, braking, and handling, giving your BMW an edge in terms of driving dynamics. -
Durability and Weather Resistance:
The prepreg carbon fiber material is resistant to UV rays, moisture, and extreme temperatures, ensuring that the spoiler maintains its strength and aesthetic appeal over time. This durability ensures that your upgrade stays looking pristine, even in the face of harsh weather conditions or prolonged sun exposure. -
Custom Fit for BMW X3M F97 & X4M F98:
Specifically engineered for the BMW X3M F97 and X4M F98, this rear trunk spoiler is designed to integrate seamlessly with the vehicle’s rear trunk, offering a perfect, factory-like fit. It enhances your car’s overall appearance without the need for complex modifications. -
Improved High-Speed Stability:
By increasing downforce on the rear of the vehicle, the rear trunk spoiler helps to stabilize the car at higher speeds. This enhancement ensures a more planted feel during high-performance driving, giving you greater confidence when pushing your BMW X3M or X4M to its limits. -
Easy Installation:
The Prepreg Carbon Fiber Rear Trunk Spoiler is designed for easy installation, with all necessary hardware and detailed instructions included. The spoiler mounts directly to your vehicle’s rear trunk, requiring minimal effort for installation and providing an effortless upgrade to your BMW’s design and performance. -
Increased Resale Value:
Carbon fiber upgrades such as the rear trunk spoiler are often seen as high-value additions, making your BMW X3M F97 or X4M F98 more attractive to potential buyers. This performance-oriented aesthetic can help increase your vehicle’s resale value by making it stand out with high-quality, visually appealing enhancements.
Included Components:
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Prepreg Carbon Fiber Rear Trunk Spoiler for BMW X3M F97 & X4M F98
Upgrade your BMW X3M F97 or X4M F98 with the Prepreg Carbon Fiber Rear Trunk Spoiler for enhanced aerodynamics, improved stability, and a sleek, aggressive look. This high-performance component offers both style and function, optimizing your vehicle’s rear-end performance while adding a motorsport-inspired aesthetic that enhances the driving experience. Whether you're looking for better handling, a more dynamic appearance, or increased high-speed stability, this carbon fiber trunk spoiler delivers on all fronts.
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)