Enhance the rear styling of your BMW E90 with this carbon fiber rear diffuser, designed specifically for M-Sport rear bumpers. This diffuser adds a sharper, more aggressive lower rear profile while maintaining a clean factory-plus appearance.

Crafted from real carbon fiber with a visible 3x3 twill weave and finished in a high-gloss epoxy clear coat, this diffuser delivers lightweight strength, durability, and premium visual appeal. Precision molding ensures excellent fitment and smooth integration with the factory bumper.

Key Features:

• M-Sport–specific rear diffuser design
• Real carbon fiber construction with 3x3 twill weave
• High-gloss finish with visible carbon pattern
• UV-resistant surface to help prevent fading
• Enhances rear-end aggression and styling balance
• Precision-molded for clean, consistent fitment

Specifications:

• Condition: Brand New
• Product Type: Rear Diffuser
• Material: Carbon Fiber
• Color: Carbon Black
• Finish: High-Polish Epoxy Coating
• Mounting Method: Automotive-grade adhesive

Fitment:

• BMW 3 Series E90 with M-Sport Rear Bumper (2005–2012)

Shipping Information:

• Processing Time: 2-5 business days for warehouse stock items
• Made-to-Order: Please allow 2-4 weeks for shipping if product requires custom manufacturing

What’s Included:

• 1× Carbon Fiber Rear Diffuser
• Mounting Hardware

Ideal for enthusiasts looking to complete a carbon exterior setup, this rear diffuser pairs perfectly with front splitters, side skirts, and trunk spoilers for a cohesive performance-inspired build.

Finish the rear of your build with a carbon fiber diffuser that delivers bold, motorsport-inspired style.