Post
by Shoppinit » Sun May 13, 2018 9:08 pm
I would definitely be removing that trim to find out what's going on underneath. I suspect the polish is just removing residue of whatever is corroding underneath. If it can be corrected while it's still hidden under the trim then that's got to be a good thing.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."