I have an original Bavarian Autosport Fault Code Reader/Reset Tool for sale.
It works perfectly and has manual with it. Works for most '87 - '00 models.
Here is the link to the item at Bavarian:
http://www.bavauto.com/shop.asp Asking $100 firm. Will save you hundreds in CE light resets/oil service resets/inspection resets! Great tool, must have for those hands on gurus!