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Autotecknic Dry Carbon Rear Diffuser for G80/G81 M3 and G82/G83 M4

Original price was: $895.00.Current price is: $99.44.

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Description

  • Product Description

Refine the rear profile of your G8X with the AutoTecknic Versus Rear Diffuser, engineered in full dry carbon fiber for a sharper, more aggressive finish. Designed to enhance both visual presence and airflow management, the Versus diffuser features a sculpted center fin layout with functional venting for a motorsport-inspired look.

Constructed using 100% pre-preg carbon fiber and autoclave-cured for maximum strength and consistency, this diffuser delivers lightweight performance with OEM-level fitment.

Key Features

  • 100% Pre-Preg Dry Carbon Fiber
    • Autoclave-cured for superior strength, reduced weight, and consistent weave quality
  • Versus Design with Center Venting
    • Aggressive fin layout enhances rear-end styling while maintaining a clean OEM+ aesthetic
  • High-Gloss UV-Resistant Finish
    • Multi-layer clear coat for long-term durability and fade resistance
  • OEM Fitment
    • Designed to mount directly to factory lower mounting points for a straightforward installation

Construction

  • 2×2 Twill (3K) Carbon Fiber Weave
  • Autoclave vacuum-formed process
  • Precision-molded for accurate fitment
  • Reinforced mounting tabs and clip locations

Installation

  • Direct replacement for OEM rear diffuser section
  • Utilizes factory mounting locations
  • No modification required

Fitment

  • BMW M3 (G80 / G81)
  • BMW M4 (G82 / G83)

Notes

  • Fits all model years of G8X M3 / M4 with OEM rear bumper
  • Designed for vehicles retaining the factory exhaust layout

Why Dry Carbon

Pre-preg carbon fiber is widely regarded as the highest-quality construction method, using precisely controlled resin content and autoclave curing to produce a lighter, stronger, and more consistent final product with minimal imperfections.

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Additional information

Vehicle Selection

G80/ G81 M3, M3 Competition, G82/ G83 M4, M4 Competition

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