Do you know how to remove the headlamps to make changing the bulbs easier?2 x 10-mm bolts - one on top and one at the side, then ease the unit out, change bulbs and replace.
Otherwise you'll end up swearing!
Search this site for "changing headlamp bulbs" there were some photos posted some time ago.
hi folks,the bulbs are now fitted, h4 headlight on my mk2, two 10mm bolts on the top of the light/plate
one lower down on the inside,push the headlight unit forwards away from the engine,
remove the plastic round cover by turning either way,
there is a spring clip to stop the bulb holder moving, the bulb holder shows you how to re-fit the bulb and the cover has top written in the plastic, so it should be easy putting it back together,