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K&N Replacement Air Filter for 78-91 BMW Fuel Injected Cars


  • High Air Flow with Excellent Filtration
  • Increases Horsepower and Acceleration
  • Will Not Void Vehicle Warranty
  • Million Mile Limited Warranty
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Pricing: $80.99



K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.

Application List

1986-1992 BMW M3

1978-1990 BMW 635CSi

1987-1988 BMW 316i

1988 BMW 535iS

1979-1987 BMW 318i

1983-1987 BMW 518i

1981-1987 BMW 525i

1977-1987 BMW 528i

1985-1987 BMW 535i

1979-1987 BMW 628CSi

1979-1987 BMW 735i

1980-1987 BMW M535i

1982-1986 BMW 323i

1978-1986 BMW 728i

1977-1986 BMW 732i

1977-1986 BMW 733i

1980-1986 BMW 745i

1980-1985 BMW 320i

1983-1985 BMW 325e

1981-1985 BMW 520i

1981-1985 BMW 525e

1982-1985 BMW 528E

1983-1984 BMW 533i

1978-1984 BMW 633CSi

1977-1978 BMW 530i

1971-1977 BMW 2500

1975-1977 BMW 3.0Si


Height: 1.313 in (33 mm)

Outside Length: 12.5 in (318 mm)

Outside Width: 7.063 in (179 mm)

Material: Cotton Gauze


  • 33-2005
  • 33-2005
  • K&N
  • New

Shipping Information

  • Item Requires Shipping
  • 1.8 lbs.
  • W1.8000” x H13.6000” x L7.7000”

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