Need Audi 100/4000 Quattro Help!

[Brock Cameron Husby]

Hi,

I just have three brief questions that I would greatly appreciate some
advice with, as my beloved Audi's need some attention:

(1) What is the correct brake bleeding sequence to replace all of the
brake fluid on a 1992 Audi 100CS Quattro?

(2) What is a good source for a high quality but reasonably priced
exhaust system (the entire system except for the exhaust manifold) for a
1986 Audi 4000 CS Quattro?

(3) The headlight sprayers on on my 1992 Audi 100CS Quattro have stopped
working for no apparent reason.  Is this a common problem on these cars
and, if so, is there a simple solution?

Again, thank you very much for the help!

- 1992 Audi 100CS Quattro (134K miles)
  1986 Audi 4000CS Quattro Comm Edition (159K miles)