ShaneZ4MC said:
https://www.ebay.co.uk/itm/EVENTURI-CARBON-INTAKE-KIT-FOR-BMW-Z4M-BLACK-CARBON-INTAKE/401718994834?hash=item5d88516792:g:toYAAOSwUPpceUxP though i would pay the little more & go direct to Gruppe in Japan for theirs , takes around 3 weeks