Roof spoiler for 3 Series G21 wagon, rear window wing for 2019 and on1、Applicable Model: Rear roof window spoiler is replacement for 3 Series G21 Wagon 2019 and On, please confirm whether your model is applicable before buying. 2、Sturdy Construction: Made from full ABS Material, the rear window roof spoiler offers a blend of light weight and excellent durability, ensuring long lasting performance. 3、UV Resistant: Coated with UV resistant clear coating, the trunk window roof spoiler can preserve its original color and prevent color fade, maintaining its aesthetics over time. 4、Sporty Appearance: Rear trunk spoiler enhances the overall look of your car, providing a dramatic improvement in sporty appearance, making your vehicle stand out. 5、Improved Performance: Roof spoilers also improve vehicle performance by reducing aerodynamic drag, contributing to better fuel efficiency and stability at high speeds.