This cover is constructed of vacuum formed ABS plastic material that bolts right up to the housing. The aFe logo is front and center letting everyone know what brand of intake you have. This cover provides a stealthy yet aggressive style without hurting the performance of the intake. Simple hassle-free installation. Vacuum Formed Creates A Stealthy Under Hood Look No Cutting Or Drilling on Factory Parts Faster Installation VEHICLE FITMENT 2013-2015 BMW X1 (Aspiration: Turbocharged & Engine Designation: N55B30A & Liter: 3.0 & Cylinder: 6 & Block: L & Fuel: GAS & Mfr Body Code: E84) 2011-2013 BMW 335i (Aspiration: Turbocharged & Engine Designation: N55B30A & Liter: 3.0 & Cylinder: 6 & Block: L & Fuel: GAS & Mfr Body Code: E93, E90) 2011-2013 BMW 135i (Aspiration: Turbocharged & Engine Designation: N55B30A & Liter: 3.0 & Cylinder: 6 & Block: L & Fuel: GAS & Mfr Body Code: E82) 2011-2013 BMW 335i xDrive (Aspiration: Turbocharged & Engine Designation: N55B30A & Liter: 3.0 & Cylinder: 6 & Block: L & Fuel: GAS & Mfr Body Code: E92, E90)