E24 aFe Performance Air Filters

Advanced Flow Engineering (aFe) makes these high performance, high flow OE air filters which replace the restrictive factory paper filter and lets your engine breathe better. These are stock replacement filters that drop in to your BMW's factory airbox system, and will increase flow to the engine, yielding more horsepower and torque.

Paper filters do a good job in keeping dirt out but can clogged easily so that it needs to be replaced frequently. aFe's performance filters are made with a washable/reusable cotton gauze which allows more airflow. aFe's filters feature a pliable progressive polyurethane seal, the deepest pleats in the industry, minimal wicking, and are factory pre-oiled with non-surfactant containing refined oil. Made in California, USA

Feature	Benefit
• Pliable progressive polyurethane seal	• Tight seal without gaskets or sealants
• 100% polyurethane construction	• Withstands extreme engine temperatures for extended-service life
• Deepest pleats in the industry	• Improved airflow, filtration, and dust-holding capacity
• Minimal wicking	• Larger filtration area for more airflow
• Factory pre-oiled with non-surfactant containing refined oil	• Will not damage sensitive electronic sensors
• Washable/reusable cotton gauze media	• The last filter you will buy for your vehicle

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aFe Pro5R Air Filter - E30 M3, 84-85 318i, 84-85 325e, 84-85 528e, All E12, E23, E24 (no M), E28 535i/is

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This is a drop-in stock replacement aFe performance air filter that installs into your BMW's factory airbox. This particular filter fits the following BMWs:
E30 M3 (1988-1991)
E30 318i (1984-1985)
E28 528e (1984-1985) and 535i/535is (1985-1988)
E12 5 series, All (1975-1981) - including 528i, 530i, 533i
E23 7 series, All except 745i (1977-1987) - including 730i, 733i, 735i, L7
E24 6 series, All except M6 (1976-1989) - incl. 630CS, 633Csi, 635CSi

This version uses aFe's highest flowing filter media, which uses a lightly oil gauze to filter out dirt and particulates, while allowing more air to flow to the intake. For the best flowing filter, with the best performance gain, we always recommend this standard aFe filter media (often called "Pro5R ", which has a blue pre-oiled filter media). We also carry this filter in the "ProDry" grey filter media, which is oil-free for only slightly less performance and no maintenance.

Part #: 30-10048

Price: $64.95 (USD)

aFe ProDry S Air Filter - E30 M3, 84-85 318i, 84-85 325e, 84-85 528e, All E12, E23, E24 (no M), E28 535i/is

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This is a drop-in stock replacement aFe performance air filter that installs into your BMW's factory airbox. This particular filter fits the following BMWs:

E30 3 series: 318i 325e 1984-1985
E30 3 series: M3 1987-1991
E28 5 series : 528e 1984-1985
E28 5 series : 533i 535i 535is 1983-1988
E21 3 series: 320i 1977-1983
E12 5 series : 528i 530i 1977-1981
E24 6 series : 633csi 635csi 1979-1989

This version has an oil-free filter media for less maintenance. For the best flowing filter, with the best performance gain, we always recommend the standard aFe "Pro5R " filter (which has a blue pre-oiled filter media), but this oil-free filter flows only slightly less than the blue Pro5R style aFe filter, and requires no re-oiling after cleaning the filter.

Part #: 31-10048

Price: $64.95 (USD)