Description
The K&N Replacement High-Flow Air Filter, part number 33-2005, is specifically designed for BMW models from 1978 to 1991, including the 3 Series, 5 Series, and 6 Series. Crafted with layered, oiled cotton media, this filter enhances airflow to your engine while effectively capturing contaminants. Its advanced design promotes increased horsepower and improved throttle response, making it an ideal upgrade for enthusiasts seeking better performance without sacrificing engine protection. The filter is engineered for durability and can be installed directly into your factory air box with ease, providing a seamless upgrade that maintains your vehicle’s original fitment.
K&N’s washable and reusable design means you can clean and reuse this filter multiple times, significantly reducing waste associated with disposable filters. Backed by a 10-Year/Million Mile Limited Warranty, this filter offers long-lasting performance and peace of mind. By choosing a reusable filter, you contribute to environmental sustainability by minimizing landfill waste. The filter’s construction ensures consistent airflow, helping your engine breathe easier, which can translate into improved fuel efficiency and power.
Designed specifically for BMW models from the early 1980s through the late 1980s and early 1990s, the K&N 33-2005 fits a wide range of vehicles including the BMW 320i, 325e, 318i, and 635CSi. Its high-quality cotton media is engineered to provide optimal filtration while maximizing airflow, ensuring your vehicle maintains peak performance. Whether you’re upgrading for increased horsepower or seeking a reliable, reusable filter that reduces waste, the K&N High-Flow Air Filter offers a superior solution for your BMW. Invest in this durable, high-performance filter to experience improved engine responsiveness and long-term protection.
Features:
- Layered, oiled cotton media for enhanced airflow and contaminant filtration
- Designed to increase horsepower and throttle response
- Reusable and washable for long-term use and environmental sustainability
- Easy installation into factory air boxes for a seamless upgrade
- Backed by K&N’s 10-Year/Million Mile Limited Warranty
- Reduces waste by replacing disposable filters
- Engineered for durability and long-lasting performance
Fitment:
BMW 3.0Si Base 1975
BMW 3.0Si Base 1976
BMW 318i Base 1984
BMW 318i Base 1985
BMW 320i Base 1980
BMW 320i Base 1981
BMW 320i Base 1982
BMW 320i Base 1983
BMW 325e Base 1984
BMW 325e Base 1985
BMW 528e Base 1982
BMW 528e Base 1983
BMW 528e Base 1984
BMW 528e Base 1985
BMW 528i Base 1979
BMW 528i Base 1980
BMW 528i Base 1981
BMW 530i Base 1977
BMW 530i Base 1978
BMW 533i Base 1983
BMW 533i Base 1984
BMW 535i Base 1985
BMW 535i Base 1986
BMW 535i Base 1987
BMW 535is Base 1988
BMW 630CSi Base 1977
BMW 630CSi Base 1978
BMW 633CSi Base 1978
BMW 633CSi Base 1979
BMW 633CSi Base 1980
BMW 633CSi Base 1981
BMW 633CSi Base 1982
BMW 633CSi Base 1983
BMW 633CSi Base 1984
BMW 635CSi Base 1985
BMW 635CSi Base 1986
BMW 635CSi Base 1987
BMW 635CSi Base 1988
BMW 635CSi Base 1989
BMW 733i Base 1978
BMW 733i Base 1979
BMW 733i Base 1980
BMW 733i Base 1981
BMW 733i Base 1982
BMW 733i Base 1983
BMW 733i Base 1984
BMW 735i Base 1985
BMW 735i Base 1986
BMW 735i Base 1987
BMW L6 Base 1987
BMW L7 Base 1986
BMW L7 Base 1987
BMW M3 Base 1988
BMW M3 Base 1989
BMW M3 Base 1990
BMW M3 Base 1991
Yugo Cabrio Base 1990
Yugo Cabrio Base 1991
Yugo Cabrio Base 1992


















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