audi at humanspeakers.com
Wed Mar 28 16:51:50 EDT 2007
> AFAIK the letters don't mean anything specific ... they are likely to be
> variants of the same base part ... that's all. You might be able to discern
> when they were designed relative to others based on the sequence of the
> letters, but even that seems a bit iffy from what I've seen.
People have mentioned the core exchange suffixes. There are a specific
set of consistent ones that refer to color (of interior parts, eg).
Otherwise, they mostly seem to be "revision" type indicators.
More information about the quattro