Remove the cotter pin and unscrew the nut securing the middle tie rod ball joint to the pitman arm. Use the BMW 6082 puller to press the ball joint out of the pitman arm socket.
Apply paint to the steering shaft to mark the depth of its entry into the flexible coupling flange.
Loosen the nut and remove bolt 1 (see photo). Slide the flexible coupling up the steering column shaft.
Disconnect hydraulic system pipes 2 and 3 from the steering gear housing and plug their openings.
Unscrew the three bolts securing the steering gear housing to the front suspension crossmember and remove the housing.
(The text is based on materials from the website BMWMAN.RU)