BMW 1802 Air Filter

K&N HIGH FLOW AIR FILTER, ROUND -- Height 2, ID 7.125, OD 9, A High Performance Air Filter Designed to Increase Horsepower and Acceleration, Offers High Air Flow With Excellent Filtration, Washable and Reusable, Fits Into The Existing Factory Air Box, With Manufacturer's Limited Million Mile Warranty

Fits the following 1971 BMW 1802 submodels:

• 1971-1971: Base; 4 Cyl 1.8L;

INJEN HIGH PERFORMANCE AIR FILTER -- 3 in. mouth diameter, 5 in. base, 5 in. tall, 4 in. top; Cotton gauze; Oiled element; Conical style; 40-pleat; Features black urethane body with red filter media; Provides excellent air flow and filtration; Washable and reusable; With Injen's limited lifetime warranty.

Fits the following 1971 BMW 1802 submodels:

• 1971-1971: All Submodels; All Engines;

INJEN HIGH PERFORMANCE AIR FILTER, BLACK, SOLD INDIVIDUALLY -- 4.5 in. mouth diameter; 6.75 in. base; 5 in. tall; 5 in. top; Cotton gauze; Oiled element; Conical style; Features black urethane body with red filter media; Provides excellent air flow and filtration; Washable and reusable; With Injen's limited lifetime warranty.

Fits the following 1971 BMW 1802 submodels:

• 1971-1971: All Submodels; All Engines;

INJEN HIGH PERFORMANCE AIR FILTER, RED -- 3 in. mouth diameter; 6 in. base; 5 in. tall; 5 in. top; Cotton gauze; Oiled element; Conical style; Features black urethane body with red filter media; Provides excellent air flow and filtration; Washable and reusable; With Injen's limited lifetime warranty.

Fits the following 1971 BMW 1802 submodels:

• 1971-1971: All Submodels; All Engines;

INJEN HIGH PERFORMANCE AIR FILTER, RED -- 3.50 in. mouth diameter; 6.75 in. base; 5 in. tall; 5 in. top; Cotton gauze; Oiled element; Conical style; Features black urethane body with red filter media; Provides excellent air flow and filtration; Washable and reusable; With Injen's limited lifetime warranty.

Fits the following 1971 BMW 1802 submodels:

• 1971-1971: All Submodels; All Engines;

INJEN HIGH PERFORMANCE AIR FILTER, RED -- 2.75 in. mouth diameter; 6 in. base; 5 in. tall; 5 in. top; Cotton gauze; Oiled element; Conical style; Features black urethane body with red filter media; Provides excellent air flow and filtration; Washable and reusable; With Injen's limited lifetime warranty.

Fits the following 1971 BMW 1802 submodels:

• 1971-1971: All Submodels; All Engines;