KARBONIUS COMPOSITES CARBON BODY FRAME SIDE PANEL SET FOR E46 BMW 3-SERIES COUPE / M3 [E46FS01]
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Karbonius Composites Carbon Body Frame Side Panel Set for E46 BMW 3-Series Coupe / M3
Karbonius Composites offers a complete side frame / quarter panel set engineered for aggressive weight reduction, manufactured entirely from pre-preg carbon fiber and autoclave-cured for exceptional strength and a smooth, pore-free finish. Weighing approximately 5kg, the assembly saves around 11kg versus OEM panels. It corresponds to OEM part numbers 41217896145 and 41217896146 and is produced by qualified technicians under a UNE-EN ISO 9001:2005 quality management system. Supplied with the exterior primed and ready for paint; alternative finishes are available upon request.
Features
- 100% pre-preg carbon fiber
- In-mold, autoclave-cured construction
- Ultra-lightweight design
- Built to OEM dimensions
- Reduces weight by 11kg
- OE-precise fitment
- Individually numbered, exclusive component
- 2-year warranty
Applications
- BMW 318Ci: E46 (1999-2006)
- BMW 320Ci: E46 (1999-2006)
- BMW 323Ci: E46 (1999-2000)
- BMW 325Ci: E46 (2001-2006)
- BMW 328Ci: E46 (1999-2000)
- BMW 330Ci: E46 (2001-2006)
- BMW M3: E46 (2000-2006)
About Karbonius Composites
Karbonius Composites prioritizes uncompromising quality. Every component is produced in Spain from 100% pre-preg carbon fiber and autoclave-cured, using meticulous hand layup by highly qualified technicians under rigorous quality controls. Confident in its manufacturing standards, Karbonius provides a 2-year warranty against manufacturing defects. With extensive composites experience and a global base of satisfied customers, the brand is committed to delivering exceptional products and customer satisfaction. Each piece is individually numbered to verify origin and authenticity.
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We want you to feel confident before making your purchase. Here are a few important details to help you better understand this product and how it fits into your space.
- Please review the product dimensions carefully to ensure the right fit for your space
- Color may vary slightly due to lighting and screen settings
- Materials and finishes are selected for both durability and visual appeal
- Some items may require simple assembly upon delivery
- Perfect for both everyday use and long-term comfort
If you have any questions about this product, feel free to reach out to our support team. We're here to help you make the right choice.
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Product Size Guide
Please refer to the general size reference below to better understand how this product may fit into your space. Dimensions may vary slightly depending on the design and materials.
| Category | Small | Medium | Large |
|---|---|---|---|
| Decor & Accessories | Up to 10″ | 10″ – 20″ | 20″+ |
| Tables | Up to 30″ | 30″ – 60″ | 60″+ |
| Seating | 1 Seater | 2–3 Seater | 4+ Seater |
| Storage Units | Compact | Standard | Large Capacity |
| Lighting | Small Fixture | Standard Fixture | Large Fixture |
Note: For exact product dimensions, please refer to the specifications section above. This guide is intended as a general reference only.




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