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Replacing the Air Filter and PCV Filter

Model: BMW X5 E53 - Years 1999-2006
Part: Air filter

The first step is to remove the windshield washer reservoir. Unscrew the two retaining screws and gently remove it from its compartment. Disconnect the fluid hose, the connector, and take it out completely. Using pliers, remove the plastic clips from the air intake, take off the flexible hose, and remove it. Unscrew the screws from the valve cover and remove it. Unscrew the air hose and take it off. Using a star wrench, unscrew the two screws from the air intake baffle and remove it. Unscrew the two screws from the rear valve cover and take it off. Unscrew the screws from the air filter cover. For this operation, a ratchet wrench with a flexible extension is necessary as one screw is located behind the engine in a difficult area. Carefully remove the air filter cover. Take out the air filter and insert the new one, ensuring it is positioned correctly.
Unscrew all the screws from the PCV filter for vapor recovery and remove it. Replace the two sealing gaskets with new ones, ensuring they fit properly in their seats, then reassemble the new filter, tightening the screws securely.
Carefully reassemble the air filter cover, ensuring it fits perfectly. Reinstall the air duct, the rear valve cover, the baffle, the valve cover, the air intake, and finally the windshield washer reservoir, reconnecting the hose and the connector.

Updated on 2 February 2026 by ScegliAuto

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