Many run the cheapo vdo pump. Remove the top hat from the rs4 pump and swap your top hat over to the rs4 lower assembly. When doing so...

You will need an rack from a mk5/mk6/a3/compatible car. You will need a mk5/electric ps 07k alternator as belt routing without the ps...

For the clutch switch (needed to start) Pin #1 is ground Pin #2* goes to your ecu. one of the ecu plugs has 94 pins, it goes to pin #63. ...