That's for that. I have just spoken to Brownchurch in Leytonstone and they have quoted me £400 just to strip it down and look at it. A tad excessive if you ask me
Yh I am starting to realise that now. I thought/hoped it would be an easy swap out job
I would explore the solenoid seal replacement if you can get the bits as it can often solve the rattle. It's an easy job apparently.
BMW V8 M62TU M62 VANOS seals repair / upgrade kit - Range Rover, Land Rover v8 | eBay