BMW 7 Series: Removing And Installing Active Front Steering Hydraulic Steering
Gear
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 connections and lines immediately after removal with sealing plugs.
Necessary preliminary tasks
- Draw off and dispose of hydraulic fluid from fluid reservoir
- Remove underbody protection at front and rear.
- Remove COVER FOR STEERING ASSEMBLIES on left and right
- Remove TRACK ROD END ON BOTH SIDES FROM SWIVEL BEARING
- Remove lower section of steering spindle from steering gear
- Replacement only: Remove TRACK ROD END AT BOTH ENDS OF TRACK ROD
- Version with Dynamic Drive:
- Remove front anti-roll bar.
- Remove EXPANSION HOSE
Fig. 41: Identifying Marks On Steering Gear Box And Front Bolting Points
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 front bolting points (left and right)
and apply a thin black marking (3) to this stripe.
Slacken nut (1).
Tightening torque 32 41 7AZ.
Release screw (2) on bracket.
Tightening torque 32 41 7AZ.
Release screw (3).
Tightening torque 32 00 1AZ.
Fig. 42: Identifying Front Axle Nut And Screws
Unlock plug connections (1) and disconnect.
Fig. 43: Identifying Plug Connections
Pull hydraulic steering gear towards front a little.
Unfasten plug connection (1) and disconnect.
Release screw (2) and remove lines (3) from hydraulic steering gear.
Tightening torque 32 41 5AZ.
Remove power steering gear in downward direction.
Fig. 44: Identifying Plug Connections And Hydraulic Steering Gear Screw And
Fluid Lines
After installation
- Fill and bleed hydraulic system.
- Check pipe connections for leaks
- ADJUSTMENT FOR ACTIVE STEERING
- If necessary, carry out INITIAL DYNAMIC DRIVE OPERATION
READ NEXT:
IMPORTANT: Steering box:
Check connection of steering box for corrosion, clean contacts if necessary.
The steering box must be replaced if the corrosion is too far advanced.
Connecting line:
In the
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 d
IMPORTANT: Steering box:
Check connection of steering box for corrosion, clean contacts if
necessary.
The steering box must be replaced if the corrosion is too far advanced.
Connecting line:
In the
SEE MORE:
In the case of a partial replacement piece, a body component is cut at a
point described in the repair instructions.
A reinforcement plate is bonded in to ensure sufficient strength.
Observe notes on REPAIR STAGE 2.
NOTE: The following graphics serve as general illustrations of
reinforcement plat
Comparison of CIC with CCC
The ASK system was installed in E65/E66. With the E60, ASK developed into
M-ASK and the further
developed CCC which was available as an option.
The multi-audio system controller M-ASK is the central control unit of the
information and communications
systems. The M-ASK c