I had tried all the chemicals you can buy to make them look like new but they never last and basically just mask the damage where as this corrects it.
how they looked before:
![Image](http://i297.photobucket.com/albums/mm202/dpbayly/BMW%20X5/20130712_132210_zps29503151.jpg)
![Image](http://i297.photobucket.com/albums/mm202/dpbayly/BMW%20X5/20130712_132252_zps4f22d6c7.jpg)
and after (like they did out the factory):
![Image](http://i297.photobucket.com/albums/mm202/dpbayly/BMW%20X5/20130712_133336_zpsb097e0c6.jpg)
![Image](http://i297.photobucket.com/albums/mm202/dpbayly/BMW%20X5/20130712_130845_zps5dfc434e.jpg)
This result was done with the use of a hot air gun and works because the plastic trim is coloured with a colour pigment through out the plastic and over time the UV effect on the surface fades the pigment and by heating it up causes the pigment to rejuvenate on the surface and restoring the factory look and the effects last at least as long as they did before and longer if measures are taken to protect it.
Here's a vid showing it working right before your eyes:
[youtube]http://youtu.be/G3Sm0GIQ9dk[/youtube]