Drilling any holes in a mini shell is like invasive surgery- Just another spot for rust to find-

With the Grey clubman wagon that l recently purchased from mart (meme) in Quebec, he had the clip on mirror clipped to the seam on the right side-(no drilling)

I then converted this mini to a LHD and of course found the mirror not to be reversible (Right to Left) so, l considered putting new mirrors on but as the shell had been fully reconditioned (rotisserie), frame off, ground up resto, l could not bring myself to drill any holes either so, it will be a clip on LHD mirror for me-

BIG AL

If it was my car, I would do it the simplest way that will last and not show....counter sink the holes slightly with a larger drill than the hole is, or use a small round file, so the hole has a funnel shape, then clean the underside and back-up the holes with a little tape. finally dab a small bit of epoxy or JB weld in the holes with a match stick or toothpick; just enough to fill the holes level or slightly higher than the painted surface, let cure and sand flat with fine paper. you can dab on a little touch-up paint with the toothpick temporarily, until you are ready for the re-spray.  Easier to do than to explain, and the repair will not come loose.  Welding will burn off the surrounding paint and can cause heat warpage, requiring lots more work.  I filled about 50 trim mounting-holes with the epoxy method once and never had one pop out in the 3 years I owned the car

Look in the hardware isle in the specialty section (a bank of drawers) Lowes Home Depot and Ace all have them or something you can use.

I have thought of this but haven't a clue what aisle to look in that would match the size and diameter. It would gave to be a plug of some sort. Do you know if this was a home depot button. Where might I find something like that? Do you have a picture?

Ive used a rivet and painted over the head to hide the rivet. One day I will fill the hole and paint the car. No one has ever wondered what the rivet was for! Cheers

As people have said, weld .. and then paint ($$$).

Or, noting that most wing/fender mounted mirrors were factory fit, accept that the holes should be there and just plug them with suitable rubber "buttons".   The ones available locally cost a few cents which sure beats the dollars the welder/painter will ask (even if you do it yourself

Cheers, Ian

Weld them if you can.  If you don't have a welder, dress the holes flat with a file, and drill them out slightly to leave bare, clean metal where the screws were.  Find some acid flux or acid core solder and solder the holes shut.  (Do not use resin or resin core solder).  Wash thoroughly to remove acid residue then file flat and follow whatever your normal painting method is.  If you cannot find acid flux or acid core solder, go to an electronics store and buy tinning flux which is used to tin soldering iron tips.

Did they rivet and sand flush? Is that the same idea for welding? Weld a bead and sand flush?

On a vintage rally mini I just picked up, they used simple rivets to fill holes where some fender mirrors and seemingly where some other lights were once mounted.

Weld.

So I've changed my mind on mirrors styling... mainly because I can hardly see anything from my winged fender mirrors.

I would like to change to the tex bullet mirrors that go on our doors. Removing the winged fender mirrors, will leave two small holes each side.

any advice on how to remedy this dilemma. What is the best procedure to fill these holes. I plan on painting soon. sage advice welcome