Quote:
Originally Posted by IDBMW
My Z4 has never been through an automatic car wash! In the winter I take it to the Do It Yourself Wand wash. If the top is not dirty I do not wash it. And never use high pressure on the top. I also use Rag Top for Cloth tops every year and after four years my top looks like new.
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+1
BMW has a good rag top cleaner that I use about twice a year