Shark Fin Aerial on E53 — OEM or Aftermarket?

[HofmeisterKink]

Hi all 👋🏻 — new to the forum! Just picked up a 2005 E53 X5 3.0i. It’s an Individual-spec car in Stratus Grey with Ecru Nappa leather, and I’m really happy with it so far 😎

While giving it the once-over, I noticed it has a shark fin aerial on the roof. At first I didn’t think much of it, but now I’m wondering — did any E53s come with a shark fin from the factory, or is this likely an aftermarket mod? It’s a UK-registered car, if that makes any difference. It doesn’t have an aftermarket head unit, and everything else appears to be very original — full toolkit, safety triangle, and an unopened (and very expired) BMW first aid kit 😆

The current aerial has seen better days, so I’d like to replace it — ideally with a body-coloured version. I’d really appreciate any advice on:
• Whether shark fins were ever OEM on the E53
• Any recommendations for OEM-style or quality aftermarket replacements

Thanks — looking forward to learning more from you all!