Help! Harsh stains/possible permanent damage from engine oil

[JoshHayes]

So, yesterday my dear old father decided to top my car up with oil as a nice gesture, however what he didn't do was screw the oil cap back on properly. Long story short I had a very messy engine bay to deal with!

So far I've managed to clean the majority of the oil out of the bay but it seems to have left behind some nasty stains on the underside of the bonnet where the majority of the oil had been sitting before I managed to get to somewhere I could clean it.

So far I've attempted to get rid of them using some degreaser and also tried hitting it with some cutting polish on a microfibre but nothing will touch it!

I'm suspecting it's permanent but hopefully someone knows some magic???
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[GSKR]

There is no clearcoat under there,be careful some apc will take the paint off or stain.Try a non abrasive polish.

[GSKR]

If cutting polish won't remove than I would say it's permanent.

[BillE]

Been there...TRY a little household bleach and see if will remove it. I mean a LITTLE, like just the corner of shop towel.

Also, vinegar MAY work. But, NOT at the same time a trying the 'bleach'.

Like mentioned...no clear coat so go gentle.

Bill