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BMW G80 G81 G82 G83 M3 M4 R-GT Prepreg CARBON FIBRE Rear Diffuser System
3,799.99€
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Dispatch between 12 November - 26 November.
The BMW G80 G81 G82 G83 M3 M4 R-GT Prepreg Carbon Fibre Rear Diffuser System transforms the rear of your M3 or M4 into something that looks and feels born for the racetrack. Built from genuine prepreg carbon fibre, this diffuser isn’t just about looks—it’s about purpose. Every curve, fin, and contour has been designed to manage airflow, sharpen performance, and bring out the aggressive character that defines BMW’s M division.
You can feel the difference the moment you drive. The diffuser channels air cleanly under the car, cutting drag and adding real downforce. The result? More grip, better stability, and a sharper, more confident feel at speed. It’s the kind of detail you might overlook until you hit that first long straight or fast corner—and then it makes perfect sense.
Each component is made using advanced prepreg carbon fibre technology—the same process used in motorsport and aerospace. It keeps the weight down and the strength up, giving you a rear section that’s as durable as it is striking. The high-gloss clear coat protects against UV and road wear, keeping that deep carbon weave looking flawless for years to come.
Installation is simple and precise. Designed to align perfectly with OEM mounting points, it slots seamlessly into your factory setup—no cutting, no drama. Once fitted, it integrates so naturally that it feels like it should’ve come from BMW this way.
And the look—there’s just something about carbon fibre catching the light against that bold M rear end. The R-GT diffuser adds depth and aggression to the car’s stance, turning heads on the street and commanding respect at the track.
For anyone serious about performance and design, the BMW G80 G81 G82 G83 M3 M4 R-GT Prepreg Carbon Fibre Rear Diffuser System is more than an upgrade—it’s the finishing touch that completes the M identity.
APPLICATIONS: 2020- BMW M3 G80 G81 M4 G82 G83
PACKAGE INCLUDE: x1 REAR BUMPER DIFFUSER (7PCS)
MATERIAL: PREPREG CARBON FIBER
COLOR: BLACK CARBON FIBER
FINISH: GLOSSY WITH UV CLEAR COAT
FITMENT: BOLTS/NUTS
HIGH-QUALITY AFTERMARKET PRODUCT
PROFESSIONAL INSTALLATION IS HIGHLY RECOMMENDED
ADDITIONAL INFORMATION:
| Brand | |
|---|---|
| Material | Prepreg Carbon Fibre |
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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