32 41 250 Removing and installing/replacing oil reservoir for hydraulic steering (N63T)

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WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and skin!

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Seal off hydraulic lines with seal plugs.

Necessary preliminary work:

Draw off and dispose of hydraulic fluid from oil reservoir
Remove left intake port. See REMOVE INTAKE PORT (N63O1) .

Disconnect connector (1) from engine control unit.

Fig 1: Identifying Engine Control Unit Connector

G09877498

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) from control unit holder.

Lay control unit to one side.

Fig 2: Identifying Control Unit Holder Screws

G09877499

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) on the wheel arch and nut (1) on the oil reservoir holder.

Tightening torque 32 41 1AZ/2AZ .

Fig 3: Identifying Screws On Oil Reservoir

G09877500

Courtesy of BMW OF NORTH AMERICA, INC.

Release hose clamp (1) and (3) and pull suction/return line off the oil reservoir.

Detach connector (2) from the level sensor.

Release screw (4) and pull off the oil reservoir in upward direction!

Installation note:

Replace hose clamps.

Tightening torque 32 41 3AZ .

Fig 4: Identifying Hose Clamps, Plug Connection And Screw

G09877501

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

If necessary, modify level sensor.

After installation:

Fill and bleed hydraulic system . See 32 13 006 BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE) or 32 13 006 BLEEDING POWER STEERING UNIT .
Check pipe connections for leaks
IF NECESSARY, CARRY OUT START-UP OPERATION FOR DYNAMIC DRIVE