G87 M2 / G82 M4 - Karbonius Rear Seat Delete

Rear Seat Delete (Closeout) for your Race / Track Clubsport Build (G8X M2/ M4)
 
Upgrade your build with a reversible mod that enhances performance and style while saving 20 kg of weight. Perfect for drivers seeking real gains without permanent changes.
 
Sleek. Lightweight. The ideal upgrade for race days and track fun.
Take your BMW’s performance and interior aesthetics to the next level with the Karbonius Carbon Fiber Rear Seat Delete. Designed for motorsport enthusiasts and track-day warriors, this premium upgrade is crafted from high-quality carbon fiber to deliver maximum strength with minimal weight.
Whether you’re chasing lap times or refining your build, this mod offers the perfect balance of function and form. And best of all, it’s fully reversible—so you can return your car to stock anytime.
 
KEY FEATURES
Weight Reduction – Made from 100% carbon fiber, this kit eliminates dead weight, improving your car’s power-to-weight ratio. Weighing only 4.5 kilograms, this seat is significantly lighter than traditional OEM seats, which weigh approximately 24.65 kilograms.
Complete Kit – Includes 4 pieces: left panel, right panel, bottom, and top. Optional: helmet nets and fire extinguisher pre-installation
Premium Finish: Available in gloss or matte with a V-pattern weave
100% Carbon Fiber: Made from high-quality 2×2 3K weave for exceptional durability and a stunning appearance.
UV Protection: Coated with a clear UV-protective layer for long-lasting appearance
Easy & Reversible: Installs using OEM hardware with no major modifications. Fully reversible
Ready to Use: No need to painting or clear coating
Precision Fit & Finish – Engineered for a seamless fit and a flawless, race-ready look.
Enhanced Handling – Reduced rear weight lowers the center of gravity, improving handling and stability.
Extra Storage Space: Ideal for tools, helmets, and track essentials.
Race-Inspired Interior – Instantly transforms your cabin with a clean, aggressive motorsport aesthetic.
Worldwide Shipping – Available globally. 
 
INSTALLATION NOTES
Professional installation is highly recommended.
Track Use Only – These parts are designed for track and race cars. Minor adjustments may be required during fitting.
No cutting or drilling required, though replacing some OEM parts may be necessary.
Fitment Notice – While designed for an OEM-like fit, slight adjustments may be needed. Always test fit before painting or modifying.
Karbonius Composites is not responsible for costs related to reverting the vehicle to its original condition or any painting expenses.
 
WARRANTY
3-Year Warranty – Covers manufacturing defects.
 
IMPORTANT NOTICES 
Legal Use – It is the customer’s responsibility to comply with local laws regarding the use of this product on public roads.
Not OEM – This is not a genuine BMW product.
Not OEM – This is not a genuine BMW product
Pricing – All prices are in euros and do not include shipping, taxes, or additional fees.
Weight Disclaimer – Listed weights may vary by ±10%.
 
 
INSTALLATION GUIDE
 
G87RS01
G82RS01