Filter comes pre-oiled ready to install. NME2001 fits 2002 - 2006 R50 MINI Cooper (non S) models, EXCEPT 2005 - 2006 with Manual Transmission, and 2005 - 2008 R52 MINI Cooper Convertible with Automatic Transmission.

NME2016 fits 2005-2006 R50 MINI Cooper with Manual Transmission and 2005 - 2008 R52 MINI Cooper Convertible with Manual Transmission.

NME2101 fits 2002-2006 R53 MINI Cooper S and 2005-2008 R52 MINI Cooper S Convertibles.

The principle of how foam air filters work is simple: "Open Cell" Polyurethane Foam is wetted with specially developed filter oil. The "sticky" filter oil is suspended in the path of the dirty air on the strands of the web-like cell structure of the foam. This makes it impossible for dirt to pass through the depth of the filter without sticking to the strands. As the outer strands become loaded with dirt particles, the wetted strands down stream start trapping dirt, allowing the entire thickness to be utilized. This prevents surface loading or air restriction for 80% of the service life of the air filter element. When the filter is sufficiently dirty, it can be easily washed, re-oiled, and re-used.

For periodic maintenance, use the foam filter maintenance kit NME2000.

To clean the filter:

A) Gently knock all the crud off the filter before you apply an air filter cleaning agent.

B) Spray generous amounts of Cleaner on the inside & outside of the filter. Let it soak approximately 3-4 minutes. Rinse out the filter element in warm water until clean. A second application may be necessary for heavily soiled elements. Next you must let the filter dry completely. Very important! Re-oil per instructions, and you are ready to go.

C) Spray the filter inside and out until the filter has complete coverage with oil. Next work the oil into the foam using your hands. Repeat this step once more, and then dab filter with paper towels to remove excess oil. If your filter has a rubber mount flange, be sure to clean the mounting surface free of oil.

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