The cover trim is quite easy just buy some spare clips in as some will probably snap as for getting the under Neath ones out I have a trim removal set easier and less brutal than a screwdriver

Jo,

The trim clips underneath are the two part ones, pull the middle out then the outer.

It's then push clips into the face of the sill, as birchyman71 said, some will break

You don't have to take the bottom of the front wing, but it may help to pull the bottom out and release the two clips

The jacking points have a big retainer in the middle, it pulls out about 30mm then you can pull the jacking point off...

There are loads of large grommets down the sill so it would be easy to fill the cavity with your favourite rust preventer Pete
I now have permission from the boss to use Y.O.L.O. Enjoy life
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2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand Sold
2002 L322 Vogue 4.4 V8 Epson Green (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Here's the drivers side forgot to take one at the start but I've filled the holes and halfway through sanding ready for some more filler on the second pic and it's painted and clear coated on the top one I'll wet and dry it and polish it to blend it in a couple if days when it's fully gone off , as before the bit behind the trim I did with stone chip

that's an impressive paint finish , did you use just a rattle can or a proper air gun like they have in spray shops as Ive tried in the past with a rattle can and never been pleased with the results

Rattle cans , I've been surprised by how good the finish is I've just done the rear quarters on my daughters seat arosa with cans from the same place and the finish and colour match was excellent