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BMW MP Big Fin Style Carbon Fiber Diffuser - F80 M3 / F82/83 M4

Sale price$319.99

Bring bold performance styling to the rear of your BMW with the MP Big Fin Style Carbon Fiber Diffuser, crafted for the 2015–2020 BMW F80 M3 Sedan, F82 M4 Coupe, and F83 M4 Convertible. Inspired by the M-Performance design, this diffuser features exaggerated vertical fins that create a more aggressive, track-ready look while enhancing aerodynamics.

Key Features

  • M-Performance Big Fin Design – Taller, sharper fins add a motorsport-inspired aesthetic that emphasizes the car’s wide stance.

  • Premium Carbon Fiber Construction – Handcrafted from lightweight yet durable carbon fiber with a 2x2 weave pattern.

  • Gloss UV-Protected Finish – Coated for long-lasting shine while resisting fading, yellowing, or cracking.

  • Aerodynamic Performance – Improves airflow management at the rear, reducing turbulence and increasing stability.

  • OEM Fitment – Direct bolt-on installation using factory mounting points; no cutting or modification required.

  • Perfect Compatibility – Designed specifically for the 2015–2020 BMW F80 M3, F82 M4, and F83 M4.

Specifications

  • Material: 100% Carbon Fiber (2x2 weave)

  • Finish: High-gloss clear coat (UV resistant)

  • Pieces: One main diffuser with tall vertical fins

  • Style: MP Big Fin, aggressive performance look

  • Fitment: BMW F80 M3 / F82 M4 / F83 M4 (2015–2020)

Installation

  • Ships with mounting hardware for straightforward installation.

  • Professional installation recommended for optimal alignment and secure fit.

BMW MP Big Fin Style Carbon Fiber Diffuser - F80 M3 / F82/83 M4
BMW MP Big Fin Style Carbon Fiber Diffuser - F80 M3 / F82/83 M4 Sale price$319.99