Bmw 525i Cold Air Intake

K&N 57I SERIES PERFORMANCE INDUCTION KIT, GENERATION I -- Designed To Increase Power And Acceleration Throughout The RPM Range, Replaces OEM Filter And Air Box, Works With Original Equipment Manufacturer Computer System, Features An Extra Surface Area Tha...

K&N 57I SERIES PERFORMANCE INDUCTION KIT, GENERATION I -- Designed To Increase Power And Acceleration Throughout The RPM Range, Replaces OEM Filter And Air Box, Works With Original Equipment Manufacturer Computer System, Features An Extra Surface Area Tha...

AFE STAGE 1 CLASSIC (Cx) COLD AIR INTAKE SYSTEM, PRO DRY S AIR FILTER -- Bold, Aggressive Performance In A Simple Package, Retains Stock Intake Tube, Includes A 360%XBA Radial Air Filter, Provides A Throaty Performance Sound, Easy Installation, Uses A Rev...

AFE MAGNUM FORCE STAGE 1 CX COLD AIR INTAKE SYSTEM, BLACK OE LOOK FINISH -- 5.5 in. Flange I.D., 7 in. Base, 7 in. Tall, Replaces OE Air Filter With High Flow Performance 360 Degrees Radial Flow Air Filter, Improves Torque, Throttle Response, And Accelera...

AFE MAGNUM FORCE STAGE 2 COLD AIR INTAKE SYSTEM -- Provides additional power up to 7 h.p. and 7 lb.-ft. of torque; Increases air flow up to 50 percent; 98.6 percent filtration efficiency; Up to 550 CFM; Includes Pro 5R Air Filter that is made of 5 layers ...

AFE MAGNUM FORCE STAGE 2 COLD AIR INTAKE SYSTEM -- Provides additional power up to 7 h.p. and 7 lb.-ft. of torque; Increases air flow up to 50 percent; 99.2 percent filtration efficiency; Up to 416 CFM; Includes Pro Dry S Air Filter that is made of 2 laye...

AFE STAGE 2 COLD AIR INTAKE SYSTEM -- Engineered To Deliver Maximum Performance Within Stock Engine Configuration, Replaces Both Stock Air Box And Intake Piping, Custom Air Tube Accelerates And Enhances Airflow For More Power, Includes A Large Washable/Re...

AFE STAGE 1 CLASSIC (Cx) COLD AIR INTAKE SYSTEM, PRO DRY S AIR FILTER -- Bold, Aggressive Performance In A Simple Package, Retains Stock Intake Tube, Includes A 360%XBA Radial Air Filter, Provides A Throaty Performance Sound, Easy Installation, Uses A Rev...

K&N HIGH FLOW COLD AIR INTAKE FILTER, RED -- Racing use only; Not applicable nor intended for use on emission controlled street or highway vehicles; 96 to 99 percent filtration efficiency; 4.53 in. height, 5.78 in. base outside diameter, 3.15 in. flange i...

AFE PRO 5R PERFORMANCE AIR FILTER, BLUE -- 98.6 percent filtration efficiency; Up to 550 CFM; 8 in. length, 3.5 in. flange inside diameter, 4 in. top diameter, 6 in. bottom diameter; Oiled element; Conical style; Made of five layers of progressively finer...

AEM SHORT NECK DRYFLOW PERFORMANCE AIR FILTER, GRAY -- Up to 99.52 percent filtration efficiency; 9 in. height, 5 in. flange inside diameter; Non-woven polyester-based media; Dry element; Conical style; Features a light mineral-reinforced plastic cage tha...

AFE PRO DRY S AIR FILTER -- Uses A Revolutionary Two-Ply Synthetic, Oil Free Material That Is Functionally Superior To Traditional Paper Media And Single-Ply Synthetic, Easy To Service, Increase Airflow Providing Improved Throttle Response, Horsepower, To...

AEM SHORT NECK DRYFLOW PERFORMANCE AIR FILTER, GRAY -- Up to 99.52 percent filtration efficiency; 9.125 in. height, 7.5 in. base outside diameter, 6 in. flange inside diameter, 1 in. flange length, 5.063 in. top outside diameter; Non-woven polyester-based...

AFE PRO DRY S AIR FILTER -- Uses A Revolutionary Two-Ply Synthetic, Oil Free Material That Is Functionally Superior To Traditional Paper Media And Single-Ply Synthetic, Easy To Service, Increase Airflow Providing Improved Throttle Response, Horsepower, To...

AFE PRO DRY S AIR FILTER -- Uses A Revolutionary Two-Ply Synthetic, Oil Free Material That Is Functionally Superior To Traditional Paper Media And Single-Ply Synthetic, Easy To Service, Increase Airflow Providing Improved Throttle Response, Horsepower, To...