Information

• Nogaroblue.com - Nogaro Blue Europe
• s4biturbo.com - Great information repository for the B5 S4
• EdyJun's S4 Directory - Tons of great S4 links
• MyS4.org - Santorin Blue 2001 Audi S4
• http://www.audiworld.com/model/s4/01/specs.shtml - All B5 Audi S4 Specs
• DIY Thread - Great list of links to many DIY Articles for the B5 S4

B5 S4 Community

• AudiWorld.com B5 S4 Forums
• Audiworld.com 2.7T Engine discussion
• VWVortex.com B5 S4 Discussion
• S4 Owner's Database

OEM Parts

• ECS Tuning
• 034 Motorsport
• Blauparts.com
• Pure Motorsport