That is, non-replaceable.

I know some cars that can easily go 8-10 years on one fuel filter. I'm not sure how often one HAS to change it, but I go by the regiment of every 2 years (along with transmission fluid change).

Is it over kill? Yeah, probably, but have you priced a fuel pump lately? =)

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯2000 A4 2.8 quattro [ Tip | Sport | Xenon ]¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯