If the rash is not that deep sand the lip down polish it up and respray it with clear coat.
How to fix gutter rash on black rims.
Clean your wheels with soap and water and then give the wheel lip surface a good scrubbing with an alcohol based cleaner.
Apply primer to the wheel if you re using rimsavers.
Begin by sanding the damaged spot with a rough sandpaper of about 220.
You need to remove any dirt or tire shine from the rim in order for the rimblades rimsavers to adhere correctly.
How to fix gutter rash on rims one.
In order to give the rim the same look with the same texture and color.
Just a heads up the clear coat the use on most polished lips is extremely tough so i would recommend using some paint stripper just be extremely careful it will strip pretty much anything it comes in contact with.
Mask the tire and car so only the rim is showing be sure to cover the valve stem lug nuts center cap and brake pads.
Put spot putty on a putty knife and use it to fill in the damage so the rim is even and level.