Thankfully there isn't one on my Roadster as the VVT on exhaust side replaces need for it. Be thankful it's not a diesel one though, they gunge up even quicker with all the particulates. Already had a new one fitted to Mini.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone