It is time for a flush of the brake fluid, but I cannot find out how much I should buy. I looked through the owners manual and Bentley, and they aren't any help. So, how much should I buy, and do you all recommend Castrol Dot 4? Thanks for your help. John Eickerman -- jke@wolfenet.com 1987 Audi 4000CSquattro Listowner for the Firearms Discussion List, FIREARMS@UTARLVM1.UTA.EDU