Today it was the turn of the front arch liners to be removed and the application of rsutproofing spray.
Again straightforward enough usung a T20 torx.
With 15k miles on the car, there was a little more road dirt collected in the bottom of the wings and around the arch than I had expected, certainly more at the frong than rear, thankfully no hint of corrosion.
If any of you are planning to keep your car for some time, i think this cleaning and rustproofing under the arches is well worth doing.