Hi
If you want to do a Proper job, not a Bodge Job, then you can buy the adjusters off ebay, the normal S-type adjusters will do, as theres only one that breaks in each headlight and that the same in the normal headlights.
but you do have to take the headlight off and split them, does not take that long did mine in a few hours. lots of videos on youtube on how to split the lights, but if you put them in the oven for 10 minutes on about 90 Deg C, it softens the black sealant, its like blutac but black, makes it go soft and the lenses come off quite easy
done a few of them and its not bad, the only thing you must remember, is to disconnect the battery before unplugging the headlights, or your self leveling lights will stop working and can only be reset with software like jaguar ids/sdd or a tool like icarsoft LR V2
cheers
Joe