BMW 7 Series: Removing And Installing/Replacing Dynamic Drive Return From Separation Point To Cooling Loop
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.
Do not draw off hydraulic fluid (risk of contamination).
Close off line connections with seal plug 32 1 270.
Recycling: Catch and dispose of hydraulic fluid in a suitable collecting vessel.
Necessary preliminary work:
- Remove underbody protection at FRONT and REAR
- Remove stiffening plate
- Disconnect BATTERY EARTH LEAD
- Remove FAN COWL with electric fan
- Mark ELECTRICAL STEERING GEAR (EPS) or ELECTRICAL STEERING GEAR (ACTIVE STEERING) to front axle support and release, unlock wiring harness, pull off and pull steering gear forwards
IMPORTANT: Pressure lines must be closed off with suitable seal plugs 32 1 270 immediately after removal!
Release screw (1) in area of lower wishbone.
Tightening torque 32 41 15AZ
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Fig. 143: Identifying Power Steering With ARS Return Line Mounting Screws
Release line clips (1) and (2) from front axle support.
Tightening torque 37 13 7AZ
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Fig. 144: Identifying Line Clips
Unlock return line on cooling loop and disconnect.
Remove return line.
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Fig. 145: Identifying Return Line On Cooling Loop
IMPORTANT: When assembling, make sure that in succession only the seal plugs of the line to be fitted are removed.
When fitting lines, do not tilt connectors (sealing rings!) and connect fully before screwing.
Do not replace sealing rings on hydraulic lines.
Replace affected line if sealing ring is damaged.
After installation:
- Carry out INITIAL DYNAMIC DRIVE OPERATION
- Check pipe connections for leaks
READ NEXT:
Removing And Installing/Replacing Belt Pulley On Vane Pump For
Power Steering
NOTE: Carry out preliminary work as described in REPLACING DRIVE BELT.
Slacken screws (1)
Relieve tension on DRIVE BELT and remove from belt pulley (2).
Unscrew bolts (1) and remove belt pulley (2).
Replacing Expansion Hose Part 1 (With ARS) (From Vane Pump) N63
Notes
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
Replacing Level Switch For Dynamic Drive Fluid Reservoir
Necessary preliminary work
Remove intake duct for air filter housing.
Release screws (1) and (2).
Remove washers.
Tightening torque 32 41 1AZ/2AZ
Remove fluid reservoir by pulling upwards.
Fig.
SEE MORE:
Power windows
General information
The windows can be opened with the vehicle
key from the outside as well as closed with Comfort
Access.
With Comfort Access: The windows can be
closed from the outside via Comfort Access.
Additional information:
Vehicle key
Safety information
Warning
When operating the windows,
Connection Diagram, Vacuum Activation (N63)
Fig. 462: Connection Diagram, Vacuum Activation (N63)
Connection (1) Black to exhaust flaps.
Distribute element (2), vacuum pump/vacuum reservoir (4).
Vacuum line (3) black to vacuum pump.
Vacuum reservoir (4) with three connections.
Connection, vacuum unit (wastegate), bank 2, cylinders 5 to
