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.

Part KN33-2005 Product Specifications
Product Style: Panel Air Filter
Height: 1.313 in (33 mm)
Outside Length: 12.5 in (318 mm)
Outside Width: 7.063 in (179 mm)
Filter Material: Cotton Gauze
Filter Re-Oiling Amount: 1.59 oz (47 ml)
Inner Wire: No
Top Style: Open

Filter Cross Reference
RYCO A477
BMW 13721271254

1992 BMW M3 2.5L L4 F/I - All
1991 BMW M3 2.5L L4 F/I - All
1991 BMW M3 2.3L L4 F/I - All
1990 BMW M3 2.5L L4 F/I - All
1990 BMW M3 2.3L L4 F/I - All
1990 BMW 635CSI 3.5L L6 F/I - All
1989 BMW M3 2.3L L4 F/I - All
1989 BMW 635CSI 3.5L L6 F/I - All
1988 BMW M3 2.3L L4 F/I - All
1988 BMW 635CSI 3.5L L6 F/I - All
1988 BMW 535IS 3.5L L6 F/I - All
1988 BMW 316I 1.8L L4 F/I - All
1987 BMW M535I 3.5L L6 F/I - All
1987 BMW M3 2.3L L4 F/I - All
1987 BMW 735I 3.5L L6 F/I - US
1987 BMW 635CSI 3.5L L6 F/I - All
1987 BMW 628CSI 2.8L L6 F/I - All
1987 BMW 535I 3.5L L6 F/I - All
1987 BMW 528I 2.8L L6 F/I - All
1987 BMW 525I 2.5L L6 F/I - All
1987 BMW 518I 1.8L L4 F/I - All
1987 BMW 318I 1.8L L4 F/I - to 8/87
1987 BMW 316I 1.8L L4 F/I - All
1986 BMW M535I 3.5L L6 F/I - All
1986 BMW M3 2.3L L4 F/I - All
1986 BMW 745I 3.5L L6 F/I - All
1986 BMW 735I 3.5L L6 F/I - US
1986 BMW 735I 3.5L L6 F/I - Non-US, to 8/86
1986 BMW 733I 3.2L L6 F/I - All
1986 BMW 732I 3.2L L6 F/I - All
1986 BMW 728I 2.8L L6 F/I - E23
1986 BMW 635CSI 3.5L L6 F/I - All
1986 BMW 628CSI 2.8L L6 F/I - All
1986 BMW 535I 3.5L L6 F/I - All
1986 BMW 528I 2.8L L6 F/I - All
1986 BMW 525I 2.5L L6 F/I - All
1986 BMW 518I 1.8L L4 F/I - All
1986 BMW 323I 2.3L L6 F/I - All
1986 BMW 318I 1.8L L4 F/I - All
1985 BMW M535I 3.5L L6 F/I - All
1985 BMW 745I 3.5L L6 F/I - All
1985 BMW 735I 3.5L L6 F/I - All
1985 BMW 733I 3.2L L6 F/I - All
1985 BMW 732I 3.2L L6 F/I - All
1985 BMW 728I 2.8L L6 F/I - E23
1985 BMW 635CSI 3.5L L6 F/I - All
1985 BMW 628CSI 2.8L L6 F/I - All
1985 BMW 535I 3.5L L6 F/I - All
1985 BMW 528I 2.8L L6 F/I- All
1985 BMW 528E 2.7L L6 F/I - All
1985 BMW 525I 2.5L L6 F/I - All
1985 BMW 525E 2.7L L6 F/I - to 8/85
1985 BMW 520I 2.0L L6 F/I - to 8/85
1985 BMW 518I 1.8L L4 F/I - All
1985 BMW 325E 2.7L L6 F/I - All
1985 BMW 323I 2.3L L6 F/I - All
1985 BMW 320I 2.0L L6 F/I - to 8/85
1985 BMW 318I 1.8L L4 F/I - All
1984 BMW 745I 3.5L L6 F/I - All
1984 BMW 735I 3.5L L6 F/I - All
1984 BMW 733I 3.2L L6 F/I - All
1984 BMW 732I 3.2L L6 F/I - All
1984 BMW 728I 2.8L L6 F/I - E23
1984 BMW 635CSI 3.5L L6 F/I - All
1984 BMW 633CSI 3.2L L6 F/I - All
1984 BMW 628CSI 2.8L L6 F/I - All
1984 BMW 533I 3.2L L6 F/I - All
1984 BMW 528I 2.8L L6 F/I - All
1984 BMW 528E 2.7L L6 F/I - All
1984 BMW 525I 2.5L L6 F/I - All
1984 BMW 525E 2.7L L6 F/I - All
1984 BMW 520I 2.0L L6 F/I - All
1984 BMW 518I 1.8L L4 F/I - All
1984 BMW 325E 2.7L L6 F/I - All
1984 BMW 323I 2.3L L6 F/I - All
1984