Coils are located in the heads, they screw into the heads (look like plug caps), just spray some wurth silicon spray around them to repel moisture.
Headlight surround is a fairly big job to remove as the loom goes inside the headlight unit, fuses and air pressure sensor, the headlight unit itself splits in two, a bit like an oyster
there are around a dozen bolts holding one side to the other, and several holding the lamps in place also, you need to remove clocks and take the 4 bolts off the headstock to finish the removal