32 13 060 Removing and installing power steering gear

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WARNING: Danger to life!
Mount securing fixture for vehicle on lifting platform to prevent the vehicle from slipping off or tilting down. See 51 71 505 MOUNT SECURING FIXTURE FOR VEHICLE ON LIFTING PLATFORM .
Secure engine in installation position to prevent it from falling down. See 11 00 670 SECURING ENGINE IN INSTALLATION POSITION (N52) .

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.
Close off pipe connections with plugs.

Necessary preliminary tasks:

Draw off and dispose of hydraulic fluid from fluid reservoir
Remove tie rod end on both sides from swivel bearing . See 32 21 151 REPLACING LEFT OR RIGHT TIE ROD .
Version with Dynamic Drive: Remove both anti-roll bar links from anti-roll bar. See 31 33 005 REPLACING FRONT LEFT OR RIGHT SPRING STRUT SUPPORT BEARING .
Remove lower section of steering spindle from steering gear.

IMPORTANT: To avoid the need for axle/wheel alignment, mark position of steering gear (1) to front axle support (2). To do so, draw a wide white stripe on the rear bolting points (left and right) and apply a thin black marking (3) to this stripe.

Lower front axle support. See 31 11 506 LOWERING/RAISING FRONT AXLE CARRIER (SPECIAL TOOL SWZ00-2040) .

Mark installation positions of pressure and return lines to power steering gear. Release banjo bolts (1). Disconnect pressure line (2) and return line (3) from power steering gear. Installation: Replace all sealing rings. Align pressure and return lines by way of markings and tighten down banjo bolts. Tightening torque, see 32 41 5AZ (pressure line) in 32 41 PUMP AND OIL SUPPLY . Tightening torque, see 32 41 6AZ (return line) in 32 41 PUMP AND OIL SUPPLY .

Fig 1: Release Banjo Bolts (1) And Disconnect Pressure Line (2) And Return Line (3)

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts and remove screws (1) towards bottom. Remove hydraulic steering gear (2) sideways between engine and front axle supports. Installation: When installing, make sure that the steering gear is realigned to the markings applied to the front axle support prior to removal. Replace screws and nuts. Tightening torque, see 32 00 1AZ in 32 00 STEERING .

Fig 2: Release Nuts And Remove Screws (1) Toward Bottom

Courtesy of BMW OF NORTH AMERICA, INC.

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
Carry out steering angle sensor adjustment . See 32 10 005 ADJUSTMENT FOR ACTIVE FRONT STEERING and 61 31 996 CARRY OUT STEERING ANGLE SENSOR ADJUSTMENT .
If necessary, carry out initial Dynamic Drive operation . See 37 10 001 INITIAL OPERATION WITH TEST RUN OF DYNAMIC DRIVE .