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K&N 33-2573

K&N High Performance O.E. - Style Replacement Filter


Ships directly from the manufacturer

K&N High Performance O.E. - Style Replacement Filter $57.99
K&N High Performance O.E. - Style Replacement Filter
  • 1986-1994 730I/IL 3.0L
  • 1986-1992 735I/IL 3.5L
  • 1988-1991 530I 3.0L
  • 1988-1995 535I 3.5L
  • K&N 33-2573 Details


  • Increases Horse Power And Acceleration
  • Custom Designed To Fit Factory AirBox
  • No Cutting Or Fitting Required
  • Million Mile Limited Warranty
  • Reusable/Washable
  • Long Lasting Performance

  • Specifications:

    Height (in.)
    Overall Length (in.)
    Panel (Flat)
    Width (in.)
    Diameter Inside (in.)
    Diameter Outside (in.)
    Filter Style
    Cap Outside Diameter
    Filter Material
    Cotton Gauze
    Top Style
    Inner Wire
    Filter Re-Oiling Amount
    1.35 oz (40 ml)
    Outside Length
    14.875 in (378 mm)
    Outside Width
    5.813 in (148 mm)
    Air Filter Style
    Sold individually
    Manufacturer's Part Number:

    When it was developed, the K&N Filtercharger was an air filtration breakthrough and it still has the edge today...

    K&N's simple, economical high-performance air filters improve acceleration and add about 1 to 4 horsepower to your engine. Each OE-style air filter provides virtually unrestricted airflow with exceptional filtration that is designed to last the life of an engine. High-performance OE filters are made of 4 to 6 sheets of high-flow cotton gauze layered between 2 aluminum wire mesh sheets that are pleated and oiled to enhance filtering and overall performance. OE-style replacement air filters are washable, reusable, and environmentally-friendly; allowing you to drive up to 50,000 miles before filter cleaning is required (depends on driving conditions).


    • Works with OE electronics
    • Will not void vehicle warranty
    • Emissions-legal in all 50 states
    • K&N Million Mile Limited Warranty

    Does K&N 33-2573 fit your vehicle?

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    1988-1993 BMW 535I

    • EngineType: ALL
    • SubModel: ALL

    1988-1992 BMW 735IL

    • EngineType: ALL
    • SubModel: ALL

    1988-1992 BMW 735I

    • EngineType: ALL
    • SubModel: ALL

    1990-1994 AUDI V8 QUATTRO

    • EngineType: ALL
    • SubModel: BASE

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.


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    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.