Not mine, just posting up in case someone is looking.
http://www.ebay.co.uk/itm/Bmw-Z4-Hyraulic-Roof-Motor-54-34-7-193-448/231265478787?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20140107083358%26meid%3D7826955552281319920%26pid%3D100011%26prg%3D20140107083358%26rk%3D6%26rkt%3D10%26sd%3D221470374620
Tony
http://www.ebay.co.uk/itm/Bmw-Z4-Hyraulic-Roof-Motor-54-34-7-193-448/231265478787?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D20140107083358%26meid%3D7826955552281319920%26pid%3D100011%26prg%3D20140107083358%26rk%3D6%26rkt%3D10%26sd%3D221470374620
Tony