Rear Carbon Fiber Diffuser Splitters - BMW M3/M4 G8X

M Spec
$499.99 $699.99 Save 28%
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Enhance the aggressive rear profile of your BMW G80 M3 or G82/G83 M4 with our premium Rear Carbon Fiber Diffuser Splitters. Precision-engineered for perfect fitment, these diffuser splitters are crafted from high-quality 2x2 carbon fiber with a UV-resistant clear coat for lasting durability and stunning aesthetics. The motorsport-inspired design adds an extra dimension of aggression to your vehicle's rear diffuser while improving aerodynamic performance.


Key Features:

  • Genuine 2x2 carbon fiber construction with perfect weave pattern
  • Available in glossy or matte finish options
  • Perfect OEM fitment specifically designed for BMW G80 M3 and G82/G83 M4
  • Enhanced aerodynamic performance with race-inspired design
  • Aggressive styling that complements the factory diffuser
  • UV-resistant clear coat for long-lasting protection against fading and cracking
  • Direct installation with automotive-grade hardware - no permanent modifications required
  • Complete installation hardware included
  • Detailed installation guide provided
  • 1 year manufacturer warranty

Technical Specifications:

Material: Genuine 2x2 carbon fiber with UV-resistant clear coat

Finish: Glossy or matte (selectable)

Fitment: BMW G80 M3 (2021+), BMW G82/G83 M4 (2021+)

Installation: Moderate - Estimated time: 45-60 minutes

Weight: 0.8 kg (pair)

Dimensions: Precisely designed to complement factory diffuser

Package Includes: Pair of carbon fiber diffuser splitters, installation hardware, detailed installation guide


Installation Information:

Installation of these rear carbon fiber diffuser splitters is rated as moderate and typically takes 45-60 minutes to complete. Basic hand tools are required. A detailed installation guide is included with your purchase, and additional installation resources can be found on our blog. The splitters are designed to mount to your factory diffuser using the included hardware, ensuring a secure fit without permanent modifications to your vehicle. While professional installation is recommended for optimal results, this is achievable as a DIY project for those with basic mechanical experience.


Compatibility:

These rear carbon fiber diffuser splitters are specifically designed for:

  • BMW G80 M3 (2021+)
  • BMW G82 M4 Coupe (2021+)
  • BMW G83 M4 Convertible (2021+)

Please note: Not compatible with standard 3 or 4 Series models or with previous generation F-chassis vehicles. These splitters are designed specifically for the G8X chassis M3/M4 and will not fit other BMW models.


Care Instructions:

To maintain the pristine appearance of your carbon fiber diffuser splitters, we recommend:

  • Regular cleaning with a mild soap and water
  • Avoid harsh chemicals or abrasive cleaners
  • Apply a UV protectant specifically formulated for carbon fiber every 3-6 months
  • Take care when parking near curbs or speed bumps
  • Periodically check mounting hardware for proper tightness
  • Avoid automatic car washes with brushes that could damage the carbon fiber

Why Choose Our Products:

At Mspec, we specialize in premium automotive enhancement products for luxury vehicles. Our rear carbon fiber diffuser splitters are designed and manufactured to the highest standards, ensuring perfect fitment, superior quality, and head-turning aesthetics for your BMW G80 M3 or G82/G83 M4. All our products undergo rigorous testing to ensure they meet the most demanding standards of quality and durability. Choosing our products guarantees not only an impressive visual upgrade but also peace of mind thanks to their quality and reliability. Our carbon fiber components are crafted by experienced technicians who understand both the aesthetic and performance aspects of BMW M vehicles.