S54 csl style carbon airbox wanted

[adamwakefield]

Hi all
Just recently picked up a lovely Z4M and looking to do the csl style carbon airbox mod as absolutely must have that amplified induction noise!!

Looking at Geoff Steel or Karbonius units but before I commit to new wondered if anyone had a used great condition set-up they’re looking to part with.
Happy to hear of anyone selling any of the well known brand carbon airbox systems.

Thanks in advance
Adam