Represented by part number 2 in the diagram. Genuine MINI Filters make an important contribution to maintaining the function of the engine. Genuine MINI Air Filter Element for Intake Silencer Filter Cartridge High-grade materials and processing techniques ensure that specific quality requirements are fulfilled. High Performance: - Optimum air supply to the engine ensures lower fuel consumption and a reduced environmental impact. - Precise tailoring to the relevant MINI engine provides the best possible support for efficient combustion. Athletic: - Special filter paper within Genuine MINI Filters keeps dust and dirt safely away from the engine. - Optimum dust/binding capacity and a separation level of up to 99% safely protect the engine from wear and tear. Reliable: - Filter paper impregnated with special resin ensures that the filter structure remains permanently resistant to temperature extremes and moisture. - High storage capacity ensures optimum filter performance even over long periods of use. Image is for illustrative purposes only, actual product may vary.