I needed to do some severe cleaning and polishing on my 5er.... I was referred to a product called Costa-Coat... a deep cleaning... where you scrub the unit with either white or gray 3M scratch pad and than deep seal with at least 5-6 coats of their acrylic sealer.... the sealer has made the unit shine like its never shined since I've owned it and the scratches are gone.... there is nothing you can do with deep scratches across the decals... but the rest looks great... even the fiberglass nose on the front of the coach.... now looks exceptional...
In the past I've tried the 3M product for automotive finishes.. nothing has given me the cleaning and protection that I've seen with this product....
Hope this might give you another option...
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Retired Business Owner, Re-manufacturing HD Clutches, Brake Shoes, Air Compressors, Sales & Installation of PacBrake and other Industrial Friction
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