




BMW G81 M3 Carbon Fiber Roof Spoiler & Trunk spoiler
Upgrade your BMW G81 M3 Touring with a high-end prepreg carbon fiber roof and trunk spoiler setup engineered for both form and function. Manufactured using autoclave dry carbon technology, these spoilers are significantly lighter, stronger, and more refined than traditional wet carbon fiber parts.
The roof spoiler extends the factory roofline to create a more aggressive touring silhouette, while the trunk spoiler adds a sporty ducktail or M Performance-style finish—perfectly complementing the G8X design language.
⚡ Key Features
1. Prepreg (Dry) Carbon Fiber Construction
- Autoclave-formed carbon fiber for superior strength and reduced weight
- Cleaner weave pattern with high-gloss UV-resistant clear coat
- Premium motorsport-grade material used in high-performance applications
2. Enhanced Aerodynamics
- Improves rear airflow and reduces turbulence
- Adds subtle rear downforce for better high-speed stability
- Roof + trunk combo optimizes overall aerodynamic balance
3. Aggressive M Performance Styling
- OEM+ design with sharper, sportier rear-end appearance
- Available in multiple styles: MP, CS, ducktail, or aggressive track-inspired designs
- Perfect visual match with other carbon fiber parts
4. Precision OEM Fitment
- Designed specifically for G81 M3 Touring and G8X chassis
- Seamless integration with factory body lines
- No gaps, no uneven edges
5. Lightweight Performance Upgrade
- Significantly lighter than OEM components
- Helps reduce overall vehicle weight while enhancing aesthetics
6. Easy Installation
- Bolt-on or adhesive (3M tape) installation depending on style
- No cutting or major modifications required
- Professional installation recommended for best alignment
7. UV & Weather Resistant Finish
- Clear-coated for long-term durability
- Resistant to fading, yellowing, and cracking
- Built to withstand daily driving and harsh conditions
🔧 Compatibility
- BMW G81 M3 Touring (2021+)
- BMW G80 M3 / M3 Competition
- BMW G82 / G83 M4 / M4 Competition
- BMW G87 M2
📦 What’s Included
- Carbon fiber roof spoiler (prepreg/dry carbon)
- Carbon fiber trunk spoiler (style dependent)
- Installation hardware / adhesive (varies by model)
💡 Why Choose Prepreg Carbon?
- ✔ Stronger and lighter than standard carbon fiber
- ✔ Higher quality weave and finish
- ✔ Used in motorsport and OEM performance parts
- ✔ Longer lifespan and better heat resistance
🏁 Complete the G8X Look
A carbon fiber roof + trunk spoiler combo is one of the most impactful visual upgrades for your BMW. Whether you're going for a subtle OEM+ style or a full aggressive aero setup, this upgrade delivers the perfect balance of performance, weight savings, and head-turning design.
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)








