BMW G14 / G15 8 Series / M850i Carbon Fiber Rear Diffuser
The 3DDesign Carbon Fiber Rear Diffuser is engineered specifically for the BMW G14 Convertible and G15 Coupé 8 Series / M850i platforms, delivering an OEM-quality fit while accentuating the vehicle's rear stance with an aggressive, performance-inspired carbon look.
Manufactured by 3DDesign Japan, this rear diffuser is constructed entirely from premium carbon fiber, offering exceptional structural strength, ultra-lightweight performance, and a high-gloss clear coat finish. Designed to integrate seamlessly with the factory rear bumper, it optimizes rear aerodynamic airflow characteristics. It is fully compatible with OEM exhaust tip systems as well as the optional 4-tailpipe quad exhaust setup from 3DDesign.
Installation is straightforward using supplied mounting hardware and step-by-step instructions, eliminating the need for complex custom modifications.
Kit Includes:
- 3DDesign Carbon Fiber Rear Diffuser
- Complete mounting hardware kit
- Official installation manual
Specification Details Material | Premium Carbon Fiber Construction
Finish | High Gloss Clear Coat
Fitment | BMW G14 Convertible & G15 Coupé 8 Series / M850i
Part No. | 3108-31511
Product Code | 3DDESIGNDIFF-G15
Weight | Ultra-Lightweight Carbon Construction
Exhaust Compatibility | Compatible with OEM Exhaust Tips or 3DDesign 4-Tailpipe Quad Exhaust
Installation | Complete Hardware Included
Manufactured by | 3DDesign Japan
Distributed by | Racebox