Replacement of air filter on Audi A4 B7

To replace the air filter on petrol models of Aodi A4 3 generation with engines of 1.6 and 2.0 litres without turbocharging, the following shall be required:

1. Remove the screws and remove the air duct.
2. Disconnect the intake manifold.
3. Disconnect the connector from the air flow meter.
4. Loosin two air filter housings.
5. Replace the filter element of the air filter.
6. Gather it all back.