My best search attempt:
http://www.google.com/search?safe=off&q=styling+32+z4&bav=on.2,or.r_qf.&bvm=bv.49784469,d.ZWU,pv.xjs.s.en_US.MpiVkF51mpA.O&biw=1024&bih=677&um=1&ie=UTF-8&hl=en&tbm=isch&source=og&sa=N&tab=wi&ei=w8LzUY_WOMaUswbOo4GoDA#facrc=_&imgdii=AEx-JOfAKu2yRM%3A%3BDzyUymkRlK1nSM%3BAEx-JOfAKu2yRM%3A&imgrc=AEx-JOfAKu2yRM%3A%3BAwnNHByfLDL_uM%3Bhttp%253A%252F%252Fwww.zroadster.com%252Fgalerie%252Fdata%252F500%252FZ4_Radial01.jpg%3Bhttp%253A%252F%252Fwww.zroadster.com%252Fforum%252Findex.php%253Fthreads%252Fder-18-fred.62676%252F%3B704%3B528
(the first two pictures below)