Yes.. all in this diagram is wath you need..

on page 7 (TV function connection diagram) - Connection with MK4. NEED IT.

all that you need is : http://www.bmwmotorsports.org/pdf/BM...stallation.pdf on page 5 (Parts list)
item A is same of http://www.bmwmotorsports.org/pdf/BM...stallation.pdf on page 7 (TV function connection diagram)