F8X M3/M4 varis carbon fiber undertray diffuser - F80 M3/ F82 F83 M4
Category Rear Diffusers
Brand CenCal Motorsport
Order status In stock - ready to ship
Build data

Specs that matter for this part

Hardware

Key hardware

See product description for included components and manufacturer details.

Validation

Install notes

DIY-friendly; professional help recommended for custom setups.

Requirement

Before checkout

Use the variant selector and product description to match the correct application before ordering.

F8X M3 / M4 Varis Carbon Fiber Undertray Diffuser

Take your BMW’s aerodynamics and styling to the next level with the F8X M3 / M4 Varis Carbon Fiber Undertray Diffuser. Designed with motorsport DNA, this diffuser delivers aggressive rear-end aesthetics while optimizing airflow for improved stability. Its undertray-style construction provides both form and function, seamlessly integrating with the factory bumper to give your build an unmistakable race-inspired presence.

Crafted from premium carbon fiber with a high-gloss finish, this diffuser is built for enthusiasts who demand performance and precision—on the street or at the track.

Product Features

  • Precision-engineered for exact fitment on F80 M3 and F82 / F83 M4
  • Premium carbon fiber construction with a sleek gloss finish
  • Undertray design improves airflow and rear-end downforce
  • Aggressive styling inspired by Varis motorsport aero components
  • Lightweight and durable, built for both street and track applications

Compatibility

  • BMW F80 M3 (2014 – 2018)
  • BMW F82 M4 Coupe (2014 – 2020)
  • BMW F83 M4 Convertible (2014 – 2020)

Installation

Professional installation is strongly recommended to ensure proper alignment and secure fitment.

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