1、Fitment: Universal fit bonnet vent decoration cover. Fit for 1 Series E90 E91, for A3 A6, replacement for Benz W117, direct replacement, perfectly fit your car. 2、Engine Protection: The bonnet air vent trim cover provides improved engine cooling, preventing overheating that can lead to decreased performance or damage. 3、Reduced Air Resistance: The open design of the engine hood vent decoration cover reduces aerodynamic drag, enhancing vehicle speed and stability. 4、Optimized Vehicle Cooling: With the bonnet air vent trim cover, cool air can better flow into the engine compartment, strengthening the cooling effect and improving engine performance. 5、Increased Vehicle Stability: The design of the hood air vent trim cover can reduce the weight and wind resistance of the vehicle's front end, improving stability and traction. Item Type: Engine Hood Air Vent Cover Material: ABS Fitment: Universal fit. Fit for 1 Series E90 E91, for A3 A6, replacement for Benz W117 1 x Hood Air Vent Cover 1 x Double Sided Adhesive