1. To edit the car image, you have to open the VamTam Beaver Builder > Mouseover the title of the column ("Since 1985") > Click on the Column settings link > Locate the column background image
Please watch the attached video - you can directly open it in the browser (Mozilla Firefox)
2. You can edit the background images visible in the circle element the same way:
Open the VamTam Beaver Builder > Mouseover the title of the column ("Environment") > Click on the Column settings link > Locate the column background image
Please watch the attached video - you can directly open it in the browser (Mozilla Firefox)
You can also check this article for editing a column.