There is no law that says headlights must dip to the nearside, whether this is to the left in the case of the UK or to the right in the case of Continental Europe. It is an option to central dipping which is acceptable everywhere.
Lens converters or beam deflectors must not be fitted to any high energy discharge (such as xenon) or LED headlamp system as they can cause scatter, making things worse than without, thus defeating the whole object of what they are intended to do. If the manufacturer hasn't provided for remote control of dipped beam setting, the headlamp units must be re-aimed manually.