Karbonius Composites Stage 1 Carbon Rear Wing for F8X BMW M3 / M4

Karbonius Composites Stage 1 rear wing for the F8X M3 / M4 weighs just 3 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 hallmark elegance, it offers an adjustable, F8X specific aero solution that is highly effective on track and adds purposeful aggression on the street. The kit features anodized aluminum uprights paired with a full carbon wing element 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 superior strength and finish consistent with Karbonius standards. Each wing is individually numbered to verify origin and authenticity.

Features

• Simple laser-engraved adjustment system that indicates the suitable positions for maximum downforce or efficiency
• 2×2 Twill Weave with a gloss finish
• Lightened pillars made of anodized aluminum
• 100% carbon fiber pre-preg and cured in autoclave
• Exclusive and numbered piece
• Aggressive appearance
• 2 years warranty

What’s Included

• Carbon rear wing
• Aluminum pillars
• Stainless hardware
• Authenticity certificate

Applications

• BMW M3: F80 (2014-2018)
• BMW M4: F82, F83 (2014-2020)

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.