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K&N Engineering

K&N BMW Drop In Air Filter

Manufacturer part number: 33-2231

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CODE: KNN33-2231
$68.99 Available to order Sold out
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K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!

Installation Instructions
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetim

    This Part Fits:

    Year Make Model Submodel
    1999 BMW 318ti Base
    2000 BMW 323Ci Base
    1999-2000 BMW 323i Base
    2001-2006 BMW 325Ci Base
    2001-2005 BMW 325i Base
    2001-2005 BMW 325xi Base
    2000 BMW 328Ci Base
    2000 BMW 328i Base
    2001-2006 BMW 330Ci Base
    2001-2005 BMW 330i Base
    2001-2005 BMW 330xi Base
    2001-2006 BMW M3 Base
    2004-2005 BMW X3 2.5i
    2004-2006 BMW X3 3.0i