K&N’s lifetime 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 custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. Simply remove the disposable air filter and replace it with a K&N; there is NEVER any cutting or fitting required. 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.

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 Re-Oiling Amount: 1.47 oz (43 ml)
Inner Wire: No
Top Style: Open

Applications: 

BMW 316I 1.6L L4 - E30 1987-
BMW 316I 1.8L L4 - All 1987-
BMW 318I 1.8L L4 - All 1984-85
BMW 318I 1.8L L4 - E30 1982-86
BMW 320I 1.8L L4 - All 1980-83
BMW 320I 2.0L L6 - E30 1982-85
BMW 323I L6 - E30 1982-86
BMW 325E 2.7L L6 - All 1984-85
BMW 325E 2.7L L6 - E30 1983-
BMW 518I 1.8L L4 - E28 1983-88
BMW 520I 2.0L L6 - E28 1981-85
BMW 525E 2.7L L6 - All 1986-88
BMW 525E 2.7L L6 - E28 1983-84
BMW 525I 2.5L - E28 1981-88
BMW 528E 2.7L L6 - All 1982-85
BMW 528I 2.8L L6 - All 1980-81
BMW 528I 2.8L L6 - E28 1982-87
BMW 533I 3.2L L6 - All 1983-84
BMW 535I 3.5L L6 - All 1985-87
BMW 535I 3.5L L6 - E28 1988
BMW 535IS 3.5L L6 - All 1988
BMW 628CSI 2.8L L6 - All 1980-87
BMW 633CSI 3.2L L6 - All 1980-81, 1983-84
BMW 633I 3.2L L6 - All 1983-84
BMW 635CSI 3.5L L6 - All 1985-90
BMW 635CSI 3.5L - E24 1980-84
BMW 728I 2.8L L6 - E23 1980-86
BMW 732I 3.2L L6 - E23 1980-86
BMW 733I 3.2L L6 - All 1980-84
BMW 733I 3.2L L6 - E23 1985-86
BMW 735I 3.5L L6 - All 1985-87
BMW 735I 3.5L L6 - E23 1980-84
BMW 745I 3.2L L6 - All 1980-83
BMW 745I 3.5L L6 - All 1983-86