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 550i, 2009 BMW 550i, and 2008 BMW 550i. 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: Remove intake filter housing . 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, see 32 41 9AZ in 32 41 PUMP AND OIL SUPPLY

Fig 1: Locating Bracket 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 32 1 260.

Disconnect suction and cooler return lines from fluid reservoir, check and if necessary replace.

Lift out fluid reservoir.

Fig 2: Identifying Fluid Reservoir

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

If necessary, remove level switch .

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.

Version with Dynamic Drive:

If necessary, carry out initial Dynamic Drive operation . See 37 10 001 INITIAL OPERATION WITH TEST RUN OF DYNAMIC DRIVE .