I think I have venture shield which is actually a 3M product? I like it.
The key is the install...not so much the product. Find a good local installer and let them explain the product to you. They come with various warranties as well depending on the shop.
2015 F34 328iX GT Glacier Silver
2011 E90 M3 Monte Carlo Blue
2004 E46 M3 Imola Red