Centre cap size?

[S3featesV9]

Wheel is 19x8 only have access to a tape measure. I think it's 55 or 58mm but wanna make sure I order the correct ones and thought you guys on here would know.

Cheers

 

[S3featesV9]

also two of the tyres are 225/35 the others are 235/35.which ones are correct?

 

[audicruiser]

also two of the tyres are 225/35 the others are 235/35.which ones are correct?

You would be better posting in the A3 8P section....