Brake cleaner is one of my go-to solvents for trying first, but experiment inside the lid first.

Bill

WD40 is my first go-to for such things. It contains a solvent of some sort but does not damage paint on cars and motorcycles in my experience. I use it regularly to remove tar and bugs from both. And I use it as my standard do-all solvent for general cleaning in the workshop. Seems to be reasonably effective and always benign.

After that, maybe methylated spirits, brake cleaner and acetone in that order, all tested on an obscure corner of the paint first.

The edge of credit card or similar can be used as a fairly effective scraper for paint ‘splashes’ on car paintwork  – though the edge is lost relatively quickly.

Last traces can be removed with ‘T-cut’ or similar.

Try in this order for lowest risk

Meths (Ethanol / Methanol)

Lighter fluid (Naptha)

Brake cleaner (???)

Acetone.

Test a inside surface first with solvent on a white rag and see if colour comes off.

Robert.

If no safe solvent is found, a possible labourious approach to try is a Swann Morton ACM No 17 Blade, and using a magnifying glass to aid precise control. It must be a brand new blade which will have a perfect edge, and you can utilise the bevel for precisely control of the height of the cut. If lucky, it will be possible to pick off the unwanted paint without damaging the main surface. Probably then T cut to remove last traces.

Rob has said MER, but brasso or  T cut will do the same job. Noel

Good to hear of a satisfactory outcome ! Noel.