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      02-10-2020, 11:27 AM   #12
RVAGuy
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Drives: ‘20 X5/M50i (ordered); &
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Quote:
Originally Posted by X519 View Post
Depending on the TDS content of the water in your area, this may recur if the water is allowed to dry by itself on the vehicle , especially if warm or sunny.

Solutions to counter this in the future are;
1) drying with a clean towel as soon as a section is washed and cleaned.
2) spray -on waxes
3) DI water (can get expensive), especially if TDS levels are quite high.

Edit; this can happen regardless of coating.
Agree with all you say. I was curious if spots were under or over the ceramic coating. I have to assume over the coating as I imagine they would have to remove the coating to remove water spots underneath.
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