This video will show you the location of the Fuel Pump for your Audi A4, S4 or RS4 (B6 and B7) 2001-2008.
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USEFUL LINKS:
1) How to remove your Rear Seats Bench (Saloon/Sedan/Avant):
/watch/wZdfzpuN9_TNf
2) How to remove your Rear Seats Bench (Cabriolet):
/watch/0_UDHtGGJxjGD
Video by TOTAL TECHNIK