Originally Posted by weasel56

Actually you might have a different setup than I am thinking... as it is a different setup from one model to another for some reason, even though it is the same engine. Go figure. Odds are that is the same misconception the SA had when looking at the techs estimate. I'd bet the deteriorated hoses to the separator valve you ordered is what the tech was talking about, but the SA was thinking of the more common setup used in the cars (5's, 7's, etc.) that don't have the room in the back for the separate valve like the X5's do.