They are OEM, at least in my car. I,ve seen cars w/black trim here too, so it's not euro-spec.
Mine are heavily corroded tho, being aluminium, they fail with age. I'm planning to grind them smooth and polish. Laquer maybe. Re-chroming them needs to be done abroad, due to price.
2000 300M Cinnamon Glaze Metallic PLB
2013 Fiat Freemont 3.6 AWD Black Metallic people carrier