Quote:
Originally Posted by P1
I have always used 303 Aerospace Protectant for these types of applications.
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+1 303 cleaner and protectant have been good for me.
As an FYI, here is my old Z3 convertible top treated with 303 - you can jump to the 50sec mark.
For most washes, I try not to wet / wash the top. I usually brush it off with a soft hair brush in long strokes from front to back. Once every 3 months or so, I'll wet it down and use the 303 cleaner on it. Same brush in same direction.... I don't ever scrub on it. Once it is clean and dry I spray the 303 protectant on. Works well for me.
My car is a 2011 w/ 127k miles and no issues with the top what so ever. It is garaged 90% of the year, but I daily drive it in most weather and put the top down pretty much every sunny day above 45F.
One suggestion is to always store the car with the top up to minimize creases and wrinkles.