So here was the light before i got it out:

the wheelarch liner out:

and the top bolt:

with that out and the other 2 easier ones out the light comes out easy, just unplug the blue plug and thats it. Push the hose out of the way, but i dont know if thats a standard feature, its held in place with cable ties at some places?
with the fog light out i took out the bulb and the bulb holder panel, then set about cleaning it, i have no idea whats best i tried methalated spirits, then some windowline, then vinegar, but boiling water out of the kettle seemed best, then when it starts to dry out clean the inside vigorously with a cloth, then keep a heater at it for 10-15 mins:

then i put the bulb holder panel and bulb back in, using a bit of vaseline round the seals to keep the unit air tight, then pop the light back into the car:


now with the light cleaned up it makes the other one look a bit foggy
