Ebay has some new Bentley CDs, and ONLY buy NEW!!!
http://cgi.ebay.com/Audi-A4-96-01-S4-00-01-factory-repair-CD-NEW_W0QQitemZ230205
634446QQihZ013QQcategoryZ6762QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

http://cgi.ebay.com/New-Audi-A4-S4-Bentley-Service-Repair-Manual-DVD-ROM_W0QQite
mZ300189212388QQihZ020QQcategoryZ34234QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Or were you looking for a paper Bentley
http://cgi.ebay.com/AUDI-A4-QUATTRO-SERVICE-MANUAL-Bentley-Publishers_W0QQitemZ2
20190188325QQihZ012QQcategoryZ119132QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

or maybe Amazon has a Bentley for you.

 Anybody got a extra repair manual for 1998 A4 2.8  ?

 stako9 at cox dot net