The ALCO Filters MD9218 air filter is designed for the BMW E39 and filters the engine intake air. It is suitable for the 325 td, 325 tds, 525 td and 525 tds models from 1997–2004.
- Type: Engine air filter
- Compatibility: BMW E39, 325 td, 325 tds, 525 td, 525 tds
- Model years: 1997–2004
- Height: 41 mm
- Length: 586 mm
- Width: 167 mm
- Equivalent part numbers: BMW 13712243783, BMW 13712246416, CLEAN FILTERS MA1013, HENGST FILTER E309L, KNECHT LX467, KNECHT LX4671, MANN-FILTER C58185, MANN-FILTER C581851