32 41 420 Replacing expansion hose part 1 (with ARS) (from vane pump) (N63)

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Special tools required:

32 1 270

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
DANGER 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 expansion tank.

IMPORTANT: Pressure line and connections must be provided with suitable seal plugs 32 1 270 immediately after removal!

Necessary preliminary work:

Lower FRONT AXLE SUPPORT

Release screw connection (1) on power steering pump.

Tightening torque 32 41 6AZ . See AZD-AZD-AZDMUC3241-F0X PUMP AND OIL SUPPLY or AZD-AZD-AZDMUC3713-F0X HYDRAULIC LINES .

Release nut (2) from line clip and remove lines.

Tightening torque 32 41 7AZ .

Fig 1: Identifying Screw Connection On Power Steering Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) from line clip.

Tightening torque 32 41 7AZ

Fig 2: Identifying Line Clip And Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw connection (1) and remove line in downward direction.

Tightening torque 32 41 11AZ

Fig 3: Identifying Line Holder And Block Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

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:

Fill and bleed HYDRAULIC SYSTEM
Check line connections for tightness
Carry out INITIAL DYNAMIC DRIVE OPERATION