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 the 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 the factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!.
Specifications:
- Product type: Drop-In Air Filter
- Style: Panel Air Filter
- Shape: Panel
- Filter line: High-Flow
- Media: Cotton Gauze
- Washable and reusable: Yes
- Height: 1.125 in (29 mm)
- Outside length: 14.875 in (378 mm)
- Outside width: 5.813 in (148 mm)
- Efficiency: Up To 99% Efficiency
- Re-oil amount: 1.35 oz (40 ml)
- Package contents: 1 Air Filter
- Warranty: No-Hassle Lifetime Limited
- Part number: 33-2573
Vehicle Applications:
- 1997 Audi A6 4.2L V8
- 1996 Audi A6 4.2L V8
- 1995 Audi A6 4.2L V8
- 1995 BMW 535i 3.5L L6
- 1994 Audi A6 4.2L V8
- 1994 Audi V8 Quattro 3.6L V8
- 1994 Audi V8 Quattro 4.2L V8
- 1994 BMW 535i 3.5L L6
- 1994 BMW 730iL 3.0L L6
- 1993 Audi V8 Quattro 3.6L V8
- 1993 Audi V8 Quattro 4.2L V8
- 1993 BMW 535i 3.5L L6
- 1993 BMW 730iL 3.0L L6
- 1992 Audi V8 Quattro 3.6L V8
- 1992 Audi V8 Quattro 4.2L V8
- 1992 BMW 535i 3.5L L6
- 1992 BMW 730i 3.0L L6
- 1992 BMW 730iL 3.0L L6
- 1992 BMW 735i 3.5L L6
- 1992 BMW 735iL 3.5L L6
- 1991 Audi V8 Quattro 3.6L V8
- 1991 Audi V8 Quattro 4.2L V8
- 1991 BMW 530i 3.0L L6
- 1991 BMW 535i 3.5L L6
- 1991 BMW 730i 3.0L L6
- 1991 BMW 730iL 3.0L L6
- 1991 BMW 735i 3.5L L6
- 1991 BMW 735iL 3.5L L6
- 1990 Audi V8 Quattro 3.6L V8
- 1990 BMW 530i 3.0L L6
- 1990 BMW 535i 3.5L L6
- 1990 BMW 730i 3.0L L6
- 1990 BMW 730iL 3.0L L6
- 1990 BMW 735i 3.5L L6
- 1990 BMW 735iL 3.5L L6
- 1989 Audi V8 Quattro 3.6L V8
- 1989 BMW 530i 3.0L L6
- 1989 BMW 535i 3.5L L6
- 1989 BMW 730i 3.0L L6
- 1989 BMW 730iL 3.0L L6
- 1989 BMW 735i 3.5L L6
- 1989 BMW 735iL 3.5L L6
- 1988 Audi V8 Quattro 3.6L V8
- 1988 BMW 530i 3.0L L6
- 1988 BMW 535i 3.5L L6
- 1988 BMW 730i 3.0L L6
- 1988 BMW 730iL 3.0L L6
- 1988 BMW 735i 3.5L L6
- 1988 BMW 735iL 3.5L L6
- 1987 BMW 730i 3.0L L6
- 1987 BMW 730iL 3.0L L6
- 1987 BMW 735i 3.5L L6
- 1987 BMW 735iL 3.5L L6
- 1986 BMW 730i 3.0L L6
- 1986 BMW 730iL 3.0L L6
- 1986 BMW 735i 3.5L L6
FAQ
What does the K&N 33-2573 fit?
It fits 1986-1997 Audi & BMW. Check your exact year, make, model and engine against the vehicle application list before ordering.
Is the K&N 33-2573 washable and reusable?
Yes. The K&N media is washable and reusable; clean and re-oil it with a K&N Recharger kit instead of replacing it.
How efficient is the filter?
K&N rates this filter at up to 99% efficiency.
What warranty does it carry?
It is backed by the K&N No-Hassle Lifetime Limited Warranty.
