32 41 253 Removing and installing / replacing fluid reservoir for power steering with Dynamic Drive / active front steering

WARNING: This page is about a different car, the 2010 BMW 528i, 2009 BMW 528i, and 2008 BMW 528i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

32 1 260 . See STEERING AND WHEEL ALIGNMENT - SPECIAL TOOLS.

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

Necessary preliminary tasks:

Draw off and dispose of hydraulic fluid from fluid reservoir
M54, N52, N53, N54: See 13 71 000 REMOVING AND INSTALLING/REPLACING INTAKE FILTER HOUSING .

Unscrew nuts.

Remove shims.

If necessary, remove bracket (not shown in illustration).

Installation:

Replace self-locking nuts.

Tightening torque 32 41 9AZ . See 41 PUMP AND OIL SUPPLY .

Fig 1: Locating Self-Locking Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: If necessary, raise and/or turn fluid reservoir in order to gain better access to plug connection and hose clamps.
If necessary, disconnect plug connection at level switch. Remove hose clamps if necessary with special tool 321260 .
Disconnect suction and cooler return lines from fluid reservoir, check and if necessary replace.
Lift out fluid reservoir.

Fig 2: Identifying Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

If necessary, remove level switch .

After installation:

Fill and bleed hydraulic system or power steering (version with Dynamic Drive) .
Check pipe connections for leaks
Version with Dynamic Drive:
If necessary, carry out initial Dynamic Drive operation . See 37 10 001 INITIAL OPERATION WITH TEST RUN OF DYNAMIC DRIVE .