Removal and installation the power steering pump (BMW 3 Series E46)

Removal

Gasoline engine

1. Suck the oil out of the reservoir using a suitable device or a regular slot.

2. Remove the lower engine compartment cover, refer to Section Removal and installation the lower engine compartment cover.

3. Remove the V-belt, refer to Section Removal, installation and tensioning the V-belt.

Do not allow any contaminants to enter the hydraulic system. Close open pipes and hoses with plugs or polyethylene, securing it with a rubber band.

4. Release clamp "1" and disconnect the suction hose.

5. Unscrew the union nut and disconnect the pressure line "2".

6. Unscrew the mounting bolts "3" and disconnect the pulley, holding it from turning by the internal hexagon "4" of the pump shaft with a 10 mm socket wrench.



7. Unscrew the two bolts "6" of the power steering pump from above and remove the pump. "3" is the bolt of the pulley, "7" is the pulley.

Installation

8. Insert the power steering pump into place and secure it with bolts.

9. Install the pulley in place and secure it.

10. Secure the pressure line with a union nut.

Tightening torques depending on the thread diameter are as follows:

• M10 - 12 Nm
• M14 - 35 Nm
• M16 - 40 Nm

11. Put on the V-belt, refer to Section Removal, installation and tensioning the V-belt.

12. Install the lower engine compartment cover, refer to Section Removal and installation the lower engine compartment cover.

13. Fill the system with new oil and remove air from the system.

Used liquid should not be reused.