Found these on ebay if anyone is interested? Wouldn't suit mine, but might look good on a black zed?
http://cgi.ebay.co.uk/BMW-Z4-E85-black-rear-lights-tail-lights-lamps-NEW-/310205760449?cmd=ViewItem&pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item4839b443c1
