BMW 323is Cold Air Intake

K&N 57 SERIES GENERATION II FIPK COLD AIR INTAKE SYSTEM -- Provides additional power up to 8.66 h.p. at 6300 RPM; 96 to 99 percent filtration efficiency; Includes black roto molded intake tube, red air filter, heat shield, and all the necessary hardware for installation; Fuel injection performance kit; Features high density polyethylene intake tube that is custom engineered and aerodynamically designed to drive air into your engine; Its washable and reusable air filter is made of multiple interwoven layers of surgical cotton gauze infused or charged with oil for outstanding filtration and airflow; Comes with a heat shield that is custom designed to isolate and provide cooler air; Virtually eliminates intake tract restriction by replacing the air filter and the entire air path to the engine; Can go up to 100,000 miles between cleanings depending on driving conditions; C.A.R.B. exempted with E.O. number D-269-28, street legal in all 50 US states; Easy to install; With K&N's limited million mile warranty.

Fits the following 1998-1999 BMW 323is submodels:

• 1998-1999: Base; 6 Cyl 2.5L;

AFE MAGNUM FORCE STAGE 2 COLD AIR INTAKE SYSTEM -- Provides additional power up to 43 h.p. and 33 lb.-ft. of torque; Increases air flow up to 80 percent; 98.6 percent filtration efficiency; Up to 550 CFM; Includes Pro 5R Air Filter that is made of 5 layers of progressively finer medical-grade cotton gauze; Comes with durable 16-gauge powder-coated steel heat shield that seals to the hood, larger 3-Series Euro MAF sensor provision, and pre-positioned PEM-nuts for faster and easier installation; MAF sensor and adaptor not included; Delivers aggressive great performance sound and increases fuel economy; Features a premium quality construction with great seat-of-the-pants feel; Engineered to deliver maximum performance within the stock engine configuration; Replaces the entire stock air box and retains the stock intake tube; Its larger, washable, and reusable lifetime filter with 360-degree radial free flowing conical design accelerates and enhances airflow; No cutting or drilling required; It has pre-positioned opening for stock attachments to avoid dangling wires and relocating of hoses or tubes; With AFE's limited 2-year warranty.

Fits the following 1998-1999 BMW 323is submodels:

• 1998-1999: Base; 6 Cyl 2.5L; "GAS, FI, M52"