BMW F90 M5 3D Style CARBON FIBRE Rear Diffuser
Price range: 649.99€ through 1,149.99€
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The BMW F90 M5 3D Style Carbon Fibre Rear Diffuser brings balance, aggression, and aerodynamic precision to the car’s rear profile. It’s more than a styling upgrade — it’s a piece of performance engineering that enhances airflow and sharpens the car’s stance in a way that feels both purposeful and refined.
Available in wet carbon or prepreg carbon fibre construction, each version is built with the same attention to detail and craftsmanship. The wet carbon option delivers that deep, high-gloss finish enthusiasts love, showcasing the carbon weave’s visual depth. The prepreg version takes things further — lighter, stiffer, and formed under high pressure and heat for maximum structural strength and precision fitment.
The 3D styling transforms the rear of the M5 with sculpted fins and extended side elements that channel air more efficiently beneath the car. By reducing drag and improving stability, the diffuser gives the M5 a wider, more planted look while subtly enhancing its performance character.
Finished in a UV-resistant high-gloss clear coat, the diffuser maintains its rich carbon texture and color over time, resisting fading and yellowing even under tough driving conditions. Every surface and contour reflects expert craftsmanship — from the weave alignment to the flawless finish.
For those who appreciate the details that make a difference, the BMW F90 M5 3D Style Carbon Fibre Rear Diffuser is a perfect fusion of aesthetics and engineering. Lightweight, strong, and designed with intent, it captures the spirit of BMW M performance — unmistakable, refined, and built to last.
APPLICATIONS: 2018 – 2023 BMW F90 M5
PACKAGE INCLUDE: x1 REAR BUMPER DIFFUSER, x2 REAR BUMPER CORNER SPLITTERS
MATERIAL: WET OR DRY CARBON FIBER
COLOR: BLACK
FINISH: GLOSSY WITH UV CLEAR COAT
FITMENT: DIRECT REPLACEMENT AND SELF TAPPING SCREWS (NOT INCLUDED)
HIGH-QUALITY AFTERMARKET PRODUCT
PROFESSIONAL INSTALLATION IS HIGHLY RECOMMENDED
ADDITIONAL INFORMATION:
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PREPREG is a common term for a reinforcing fabric such carbon which has been pre-impregnated with a resin system. This resin system (typically epoxy) already includes the proper curing agent. As a result, the prepreg is ready to be laid into the mold without the addition of any more resin. In order for the laminate to cure, an autoclave production process is used, a combination of high pressure and heat.
- Maximum strength and performance characterictics. In a hand layup production process, it is difficult to achieve 50% fabric and 50% resin content. Typical hand laminates, even when vacuum bagged, end up with a significant amount of excess resin. Excess resin increases brittleness and reduces overall strength properties. On the other hand, most prepregs contain around 35% resin. This is ideal for maximum cured properties and generally impossible to achieve in normal hand lamination.
- Uniformity and repeatability. The prepreg is of uniform thickness and each part coming out of the mold may theoretically be the same. Vacuum bagging technology may have some errors in processing, but prepreg ensures production consistency.
- Reduce curing time. After the thermal curing cycle, no need to wait for the standard 48 hours can be fully cured.
- Aesthetics. Although prepreg processing still requires mold preparation and demoulding, prepreg processing eliminates air bubbles, makes it easier to obtain a smooth, glossy surface as well as eliminates any seaming lines.
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We offer free tracked shipping on all orders within mainland EU. Orders to remote areas such as Malta, Cyprus, and Iceland may incur a surcharge. Worldwide shipping is also available—please contact us for a quote.
Most orders dispatch within one business day (Monday to Friday). EU delivery takes 3–5 working days from dispatch, and tracking details will be provided via email once your order has shipped.
Please note that import taxes may apply outside the EU, and these are the responsibility of the buyer. Some items may ship directly from our suppliers and may have varying delivery times. If an item is out of stock, we will contact you to discuss the available options.
RETURNS
Changed your mind? You can return unused, uninstalled items in original packaging within 30 days of delivery. Return shipping is the customer’s responsibility unless the item is faulty.
Custom, used, or built-to-order items are non-returnable.
Once we receive and inspect your return, refunds are typically processed within 10 business days.
If your item is damaged or incorrect, contact us within 48 hours with photos and order details.
WARRANTY
All VA and VA Motorsports products come with a 1-year limited warranty covering manufacturing defects and fitment issues. For third-party items, warranty terms vary by brand—please check the product listing or contact us for details.
This warranty does not cover wear and tear, incorrect installation, cosmetic damage, labor, or third-party costs.
To start a claim, email us with your order number, issue description, and photos. If the claim is approved, we’ll offer a replacement, store credit, or a refund.
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