2021–2027 BMW M3 G80 Prepreg Carbon Fiber Rear Diffuser

Transform the rear of your 2021–2027 BMW M3 G80 with this Prepreg Carbon Fiber Rear Diffuser. Designed to complement the aggressive styling of the G80 M3, this diffuser creates a wider, lower, and more performance-focused rear profile while maintaining a clean OEM+ appearance.

Manufactured from prepreg carbon fiber, the rear diffuser combines lightweight construction with excellent strength and a premium carbon fiber weave. A high-gloss clear coat provides exceptional depth and shine while helping protect the carbon fiber from UV exposure, road debris, and everyday environmental conditions.

Designed to integrate with the factory G80 M3 rear bumper, this carbon fiber diffuser makes an excellent standalone upgrade or can be paired with a carbon fiber front lip, side skirts, trunk spoiler, and other exterior components for a complete M3 carbon fiber build.

Features

• Prepreg carbon fiber construction
• Designed for the 2021–2027 BMW M3 G80
• Lightweight and high-strength construction
• Premium carbon fiber weave
• High-gloss clear coat finish
• Aggressive OEM+ rear styling
• Creates a wider and lower visual profile
• Complements the factory G80 M3 rear bumper
• Pairs perfectly with other G80 carbon fiber exterior upgrades

Vehicle Fitment

2021–2027 BMW M3 – G80
2021–2027 BMW M3 Competition – G80

Chassis: G80
Engine: S58 3.0L Twin-Turbo Inline-6

What's Included

• 1 × Prepreg Carbon Fiber Rear Diffuser
• All hardware included 

Professional installation is recommended to ensure proper alignment and fitment.