Air cleaner housing, cleaning; air cleaner element, replacing

Remove cover -1- (where applicable) upward.
Remove intake air hose -2-.

Fig 1: Removing Air Cleaner Housing Cover And Intake Air Hose
Courtesy of AUDI OF AMERICA, INC.
Loosen clamps -1-.
Swing upper part of air cleaner housing to side, if necessary remove intake air hose -2-.

Fig 2: Locating Clamps & Removing Intake Air Hose

Courtesy of AUDI OF AMERICA, INC.

Remove old air cleaner element.
CAUTION: Always comply with disposal regulations.
Clean air cleaner housing and install new air cleaner element.