Pull back the plastic cover headlights and take it off.

Fig. 18–36. Location of electrical connectors on headlight bulbs: 1 – low beam bulb connector; 2 – Fog lamp connector; 3 – High beam lamp connector
Turn the holder with connector 3 of the high beam headlight bulb (see Fig. 18–36) clockwise and remove the holder with the bulb.
Remove the lamp from the holder.
Place the new bulb into the holder, insert the holder into the headlight and turn it counterclockwise as far as possible.
Install the rear plastic cover headlights.
Check and adjust headlights if necessary.
The original version is on the portal: AudiManual.ru
