Right headlight:

WARNING: This page is about a different car, the 2004 Audi S4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

If installed, detach cover -1- in right of engine compartment.

Fig 1: Detaching Cover In Right Of Engine Compartment

Courtesy of AUDI OF AMERICA, INC.

Remove bolts -arrows-.
Disengage evaporative emission (EVAP) canister purge regulator valve -N80- -1- on air duct.
Remove air duct -2-.

Fig 2: Disengaging EVAP Canister Purge Regulator Valve & Removing Air Duct (Right High Intensity Gas Discharge, Xenon, Headlight)

Courtesy of AUDI OF AMERICA, INC.

Detach cover for high beam from headlight housing.
Disengage headlight beam adjusting motor: Turn counterclockwise -arrow- for right headlight; turn clockwise for left headlight.

Fig 3: Disengaging High Intensity Gas Discharge, Xenon, Headlight Beam Adjusting Motor

Courtesy of AUDI OF AMERICA, INC.

Slide ball head of adjustment axle out of ball head mount toward bottom by bending.
Disconnect electrical harness connector.