BMW 335xi Air Filter

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1.125 in. height, 14 in. outside length, 11.125 in. outside width; Oiled element; Unique style; Made of multiple interwoven layers of surgical cotton gauze; Increases horsepower and acceleration while providing excellent filtration; Custom designed to fit into existing air box and features a drop-in design which means adding performance is simple; Provides high air flow with excellent filtration; Economical and environment friendly; Works with OEM vehicle electronics; Will last the life of your vehicle; Washable and reusable; Lasts up to 50,000-mile before cleaning is required depending on drive condition; With K&N's limited million mile warranty.

Fits the following 2007-2008 BMW 335xi submodels:

• 2007-2008: Base; 6 Cyl 3.0L;

Original Equipment

Fits the following 2007-2008 BMW 335xi submodels:

• 2007-2008: All Submodels; All Engines;

AFE PRO DRY S PERFORMANCE AIR FILTER, GREY -- Increases air flow up to 24 percent; 99.2 percent filtration efficiency; Up to 416 CFM; Includes cleaning instruction; Dry element; Panel style; Made of two layers of randomly porous synthetic fabric; Its 100 percent polyurethane construction withstands extreme engine temperature, significantly extending its service life; Features pleated depth loading media with large surface area that provides high flow, high dirt capacity, and high filtration efficiency; Eliminates the need for sealing gasket or grease through its progressive bump seal; It has washable and reusable media with the deepest pleats in the industry; Its oil free dry synthetic filtration media is the world's easiest-to-service performance air filter; Provides extended filter life in normal, everyday driving condition; An excellent choice for ease of maintenance; With AFE's limited lifetime warranty.

Fits the following 2007-2008 BMW 335xi submodels:

• 2007-2008: Base; 6 Cyl 3.0L; "GAS, FI, N54B30A, Turbocharged"

AFE PRO 5R PERFORMANCE AIR FILTER, BLUE -- Increases air flow up to 24 percent; 98.6 percent filtration efficiency; Up to 550 CFM; Includes cleaning instruction; Oiled element; Panel style; Made of five layers of progressively finer medical-grade cotton gauze; Its 100 percent polyurethane construction withstands extreme engine temperature, significantly extending its service life; Features pleated depth loading media with large surface area that provides high flow, high dirt capacity, and high filtration efficiency; Eliminates the need for sealing gasket or grease through its progressive bump seal; It has washable and reusable media with the deepest pleats in the industry; Provides your engine with the largest amount of high-flowing cold air, giving you the greatest horsepower and torque gains; It exceeds the necessary protection of your average everyday driving; With AFE's limited lifetime warranty.

Fits the following 2007-2008 BMW 335xi submodels:

• 2007-2008: Base; 6 Cyl 3.0L; "GAS, FI, N54B30A, Turbocharged"