K&N 1986-1996 BMW 318/325/525/528/750 Drop In Air Filter - 33-2059

K&N Engineering is a renowned leader in high-performance air filtration and induction systems, dedicated to providing superior airflow, engine protection, and enhanced performance. Made in the USA, K&N designs and manufactures a wide range of products, including washable air filters, cold air intakes, and performance air filtration systems, for vehicles, motorcycles, trucks, and more. With over 50 years of innovation, K&N utilizes advanced cotton-gauze technology to deliver exceptional filtration while boosting horsepower and fuel efficiency. Trusted by automotive enthusiasts and racing professionals worldwide, K&N Engineering continues to set the standard for quality, durability, and performance in the automotive industry.

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!

Technical Bulletin


This Part Fits:

Year	Make	Model	Submodel
1991-1994	BMW	318i	Base
1991-1994	BMW	318is	Base
1986-1988	BMW	325	Base
1986-1987	BMW	325e	Base
1986-1987	BMW	325es	Base
1987-1991	BMW	325i	Base
1987-1991	BMW	325is	Base
1988-1991	BMW	325iX	Base
1989-1991	BMW	525i	Base
1986-1988	BMW	528e	Base
1988-1994	BMW	750iL	Base
1993-1997	BMW	850Ci	Base
1994-1995	BMW	850CSi	Base
1991-1992	BMW	850i	Base

Fitment Years: 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997.