drewroberts
A2OC Donor
When I had an Audi 80 that had faded bumpers. I researched it and used shoe/boot polish, not the tinned stuff, but the instant liquid with sponge applicator. The black polymers used in it are exactly the same as the ones in the plastic exterior parts. Warm them up a bit first to open any ‘pores’ then apply evenly and allow to dry. Shiny black and waterproof. Worth a try?
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