Same here. Hi-pressure washer is required (not a washer with a little wiper, like on old Volvos for example). And a xenon bulb "controller" is required, as long as they are discharge lamps, which run with high voltage & also need a thermal control.BTW in the UK as well as Xenon lamps, to pass MOT you also require automatic leveling of the headlight assemblies as well as headlamp washers. Not