What’s the best way to remove the plastic strip on the side of the door? without leaving marks and damaging the door paint

Hi,

There are plenty of guides for de-badging and smooth sideing:

https://www.fiatforum.com/punto-mk2-2b-guides/354173-de-badging-side-badges.html

https://www.fiatforum.com/punto-mk2-2b-guides/143269-smooth-side-mk2-mk2b-punto.html

https://www.fiatforum.com/punto-mk2-2b-guides/265441-smoothing-bumpers.html

https://www.fiatforum.com/punto-mk2-2b-guides/202535-smooth-siding-debadging.html

https://www.fiatforum.com/punto-mk2-2b-guides/59438-smooth-side-punto.html

https://www.fiatforum.com/punto-mk2-2b-guides/67667-smooth-side-punto-part-2-pics.html

Hopefully they'll help