Nothing in the Carnuba category will be as easy to apply, or last as long, as Zaino. Having said that, I love P21s for the final application OVER a couple coats of Zaino... Gives you the best of both worlds... Zaino protection, and Carnuba "wetness".

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2001 X5 4.4
2010 X5d - Gone
2006 330i - Gone
1999 330i - Gone