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Clean the trunk surface and apply double-sided tape to the spoiler’s bottom surface for a secure fit
Fitment: 2021–2023 BMW G80 M3 / G82 M4 Coupe / G83 M4 Convertible
The latest version is designed to go over the existing part
aggressive profile
Do I need a tune after installation
F8X M3/M4 varis carbon fiber undertray diffuser - F80 M3/ F82 F83 M4 b58 heat exchanger Clean the trunk surface andF8X M3 M4 Varis Carbon Fiber Undertray Diffuser Take your BMWs 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
