Hi Matt!
There are a few threads on here if you hunt about or do a search 'Mot', you'll find them..Some peeps change the light unit and lenses, and do a bit of rewiring, while others with reversing lights fitted (us imports) do a similar rewire but put an orange bulb in there and use that as the indicator, thus keeping the original red lenses...Did you change your headlamps for uk spec ones?... What did you do to stop the front sidelamps flashing when you indicate at night ?