
CARBON FIBER ROOF SPOILER - 21-25 BMW G22 430i M440i G82 M4 COUPE
Enhance the sporty aesthetic and aerodynamic performance of your 2021-2025 BMW G22 430i, M440i, or G82 M4 Coupe with the Carbon Fiber Roof Spoiler. Designed to seamlessly integrate with your vehicle’s sleek roofline, this spoiler provides a track-inspired look while improving downforce and stability at high speeds, making it the perfect addition for those looking to elevate both style and performance.
Features:
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Premium Carbon Fiber Construction: Made from lightweight and durable carbon fiber, this roof spoiler offers exceptional strength and rigidity while keeping the weight low, contributing to improved vehicle dynamics, handling, and performance.
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Custom Fit for BMW G22 430i, M440i, G82 M4 (2021-2025): Tailored specifically for the G22 430i, M440i, and G82 M4 Coupe, this spoiler fits perfectly, enhancing the car’s roofline without disrupting the vehicle’s original design.
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Improved Aerodynamics: The aerodynamic shape of the spoiler reduces drag and increases downforce, delivering better stability at high speeds. This results in improved cornering, handling, and overall performance, especially during spirited driving or on the track.
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Aggressive, Sporty Aesthetic: The high-gloss carbon fiber finish adds a dynamic, aggressive look to your BMW, accentuating its sporty characteristics and giving it a more race-inspired, performance-driven appearance.
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UV-Resistant Clear Coat: Finished with a UV-resistant clear coat, the carbon fiber material is protected from the sun's harmful rays, preventing fading and discoloration over time, ensuring that the spoiler maintains its pristine, glossy finish.
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Lightweight Design for Enhanced Performance: Carbon fiber’s lightweight nature helps reduce the overall weight of your vehicle, improving acceleration, braking, and handling for a more responsive and agile driving experience.
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Easy Installation: Designed for easy, hassle-free installation, this spoiler typically requires no drilling or major modifications. The included mounting hardware and strong adhesive ensure a secure, precise fit without damaging the original bodywork.
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Increased Stability and Control: The added downforce helps improve vehicle stability at high speeds, providing better road grip and control, especially during aggressive driving or on the track.
Give your BMW G22 430i, M440i, or G82 M4 Coupe the ultimate upgrade with the Carbon Fiber Roof Spoiler. This premium accessory combines performance-driven aerodynamics with a bold, aggressive look, making your driving experience more dynamic while enhancing the visual appeal of 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)