BMW Performance Rear Diffuser Kit - 2015-2020 BMW M3 & M4

Carbon Fiber - F80/F82/F83

Part # D980-0018 Be the first to write a review
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Dramatic exits come standard with this carbon fiber reinforced upgrade while efficiently increasing rear downforce and reducing aerodynamic drag.


  • Elaborately handcrafted
  • Made from real carbon-fiber-reinforced polymer (CFRP, carbon)
  • Sealed with high-quality gloss clear coat for maximum UV and impact resistance
Brand Dinan
Emission Code5
Labor Time (Hours)0.1
Product TypeAero
Part NumberD980-0018

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Upon installation, the smart opener for the trunk will no longer be functional.

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    Some parts are not legal for use in California or other states with similar regulations.