LEFT/RIGHT HID HEADLAMP BULB -L13- / -L14-, REMOVING AND INSTALLING, HID HEADLAMPS From MY 2013: Removing
-- Turn the light switch to position "0".
-- Turn off the ignition and all electrical equipment and remove the ignition key.
-- Do not operate the headlamp flasher.
-- Audi A5 on the right: remove the air filter housing. Refer to AIR FILTER HOUSING, LOWER SECTION [CALA] , AIR FILTER HOUSING, LOWER SECTION [CAKA, CCBA, CMUA, CGWC, CGXC, CHMB, CTUB] , AIR FILTER HOUSING [CFSA] , AIR FILTER HOUSING [CAEB, CPMA] , AIR FILTER HOUSING, REMOVING AND INSTALLING [CAUA] .
-- Audi RS 5 on the right side: Disconnect the connector -3- on the Engine Coolant Level Warning Switch -F66-.
-- Remove the nut -2- and then remove the coolant expansion tank and lay it aside with the coolant hoses -1 and 4- connected.
-- Remove the housing cover -1- from the headlamp housing -arrow-.
-- Rotate the HID bulb -2- in the direction of the -arrow- and remove it from the housing.
-- Disconnect the connector -1-.