37 13 132 Removing and installing/replacing pressure lines for oscillating motor (HA1/HA2)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

32 1 270

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and skin!

Scalding hazard!

This work may only be carried out on an exhaust system which has cooled down.

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 REAR AXLE .

Undo manifold unions (1) and (2).

Tightening torque 37 13 12AZ .

Hydraulic lines must be provided with suitable sealing plugs immediately after removal! 32 1 270

Fig 1: Identifying Oscillator Motor Pressure Line Screw Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) from holder on rear axle carrier.

Fig 2: Identifying Holder Screws On Rear Axle Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove pressure lines from oscillating motor.

Pressure lines and connections on oscillating motor must be fitted with suitable sealing plugs immediately after removal! 32 1 270

Tightening torque 37 13 4AZ .

Fig 3: Identifying Swivel Motor Pressure Line Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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 .