BMW 7 Series: 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 any dirt to enter the hydraulic system.
Do not draw off hydraulic fluid (risk of contamination).
Close off pipe connections with plugs. 32 1 270
Recycling
Catch and dispose of hydraulic fluid in a suitable container.
IMPORTANT: Pressure line and connections must be provided with suitable plugs 32 1 270 immediately after removal!
Necessary preliminary tasks
- Remove left FRONT WHEEL
- Remove front UNDERBODY PROTECTION
- Remove left steering assembly COVER
- Release and disengage front ACTIVE STABILIZER
- Remove pressure lines from active stabilizer bar.
Release screw connection (1) on power steering pump and detach line.
Tightening torque 37 13 10AZ.
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Fig. 107: Identifying Screw Connection On Power Steering Pump
Release screw connection for flange (1).
Tightening torque 37 14 8AZ.
Release pipe holder (2).
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Fig. 108: Identifying Pipe Holder And Flange Screw Connection
Release holder (1) and remove line.
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Fig. 109: Identifying Holder
IMPORTANT: When assembling, make sure that in succession only the sealing 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
- Fill and bleed HYDRAULIC SYSTEM
- Check line connections for leaks
- Carry out INITIAL DYNAMIC DRIVE OPERATION
REPLACING EXPANSION HOSE PART 2 (WITH ARS) (FROM T-PIECE TO POWER STEERING GEAR) 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 any dirt to enter the hydraulic system.
Do not draw off hydraulic fluid (risk of contamination).
Close off pipe connections with plugs. 32 1 270
Recycling
Catch and dispose of hydraulic fluid in a suitable container.
Necessary preliminary tasks
- Lower FRONT AXLE SUPPORT
IMPORTANT: Pressure line and connections must be provided with suitable plugs 32 1 270 immediately after removal!
Release screw (1) from line flange.
Tightening torque 37 13 8AZ.
Release holder (2).
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Fig. 110: Identifying Line Flange Mounting Screws With Holder
Release block screw connection (1) on steering gear.
Tightening torque 32 41 5AZ.
Remove hydraulic line.
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Fig. 111: Identifying Block Screw Connection On Steering Gear
IMPORTANT: When assembling, make sure that in succession only the sealing 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
- Fill and bleed HYDRAULIC SYSTEM
- Check line connections for leaks
- Carry out INITIAL DYNAMIC DRIVE OPERATION
READ NEXT:
Removing And Installing/Renewing Pressure Lines For Valve Block
(Short)
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
Initial Operation With Test Run Of Dynamic Drive
NOTE: The Service function Initial operation of Dynamic Drive must be
carried out
after:
Work on the Dynamic Drive system which involved opening hydraulic lines
Replacement/Programming/Coding Dyna
SEE MORE:
Replacing Crankshaft Pulse Generator (N63)
Necessary preliminary work
Read out the fault memory of the DME control unit.
Switch off ignition.
Remove rear UNDERBODY PROTECTION.
Installation location
On transmission housing at bottom right.
Release connector (1) and remove.
Release screw (2).
Tightening torque 13 62 4AZ.
Withdraw puls
Electronic Ride-Height Control
Function of Air Springs
The various control modes on the F01/F02 are similar to those on other model
series such as the E70:
Fig. 131: EHC Control Mode Flowchart, F01/F02
Control Modes with Single-axle Air Suspension
Ongoing control operations are not affected by transitions from one mode to
anot
