A set of 108's on ebay they may be of interest to someone,i was half interested myself but have just had the Zed serviced.
http://cgi.ebay.co.uk/BMW-Z4-ALLOYS-18-split-rim_W0QQitemZ230452494804QQcmdZViewItemQQptZUK_CarsParts_Vehicles_CarParts_SM?hash=item35a80a01d4
http://cgi.ebay.co.uk/BMW-Z4-ALLOYS-18-split-rim_W0QQitemZ230452494804QQcmdZViewItemQQptZUK_CarsParts_Vehicles_CarParts_SM?hash=item35a80a01d4