aFe Power Gas Air Filter for BMW X3 (G01) B46 Engine 2018 - 2021

Large Five Layer Performance Air Filter:This 7-1/2 tall 360-degree radial flow air filter features a 4 round flange and our oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum airflow and performance. This media is best for street and track use.Unique One-Piece Housing:The smooth one-piece sealed housing, constructed of heat-resistant XLPE (cross-linked polyethylene) polymer, features our patent-pending filter-to-housing interface. A large, clear sight window allows for hassle-free filter inspection, without having to disassemble your system.BMW Strut Brace:The Momentum intake is designed to fit with the factory strut brace, with no modification necessary.Dyno-Tuned Intake Tube:This system features a high quality, computer-designed, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit. Its XLPE material is heat-soak resistant and extremely durable.Hassle-Free Installation:This intake is designed to use factory mounting locations, minimizing the use of unnecessary hardware, ensuring a perfect fit every time. Its revolutionary design, featuring our patent pending filter-to-housing interface uses half the number of parts of a traditional cold air intake system.Premium Components:Stainless-steel worm clamps are included for strength, and a premium bellows coupling allows for ample flexibility. Momentum GT intakes are designed with fewer parts for a fast and easy installation.Emissions Disclaimer:This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.Airflow Chart Dyno Chart