Audi A4 (B6, B7) Service Manual : 1. 8L Turbo, 2. 0L Turbo, 3. 0L, 3. 2L, Including Avant and Cabriolet: 2002, 2003, 2004, 2005, 2006, 2007 2008 by Bentley Publishers (2010, Hardcover)