Karbonius Composites Stage 2 Carbon Rear Wing for E9X BMW M3

Karbonius Composites Stage 2 rear wing for the E9X M3 weighs just 3.2 kg and is manufactured entirely from prepreg carbon fiber, autoclave-cured in Spain by qualified staff under an ISO 9001 quality management system. Engineered to deliver both form and function while preserving the brand’s signature elegance, it is an E9X-specific, adjustable aero solution that delivers proven performance generating 200 kg of downforce at 250 kph. The dual-element kit features anodized aluminum and carbon fiber uprights with full carbon wing elements and endplates. A straightforward adjustment mechanism clearly marks optimal positions for maximum downforce and efficiency. Developed using advanced 3D and 2D analysis of both the wing and vehicle, the design ensures outstanding strength, finish, and reliability. Each unit is individually numbered to verify origin and authenticity.

Features

• Aerodynamically optimized dual-element design
• Laser-engraved adjustment marks for max downforce or efficiency
• 100% pre-preg carbon fiber, autoclave-cured
• Individually numbered, exclusive component
• Bold, aggressive appearance
• Backed by a 2-year warranty

Specifications

• Downforce at 250kph: 200 kg
• Dimensions: 125 × 28 × 18cm
• Weight: 3.2kg

What’s Included

• Dual element rear wing
• Aluminum / carbon pillars
• Stainless hardware
• Authenticity certificate

Applications

• BMW M3: E90 (2007-2013)

About Karbonius Composites

Karbonius Composites prioritizes uncompromising quality. Every component is produced in Spain from 100% prepreg 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.