37 13 130 Removing and installing/replacing underfloor pressure lines for oscillating motor (HA1/HA2): Notes

WARNING: This page is about a different car, the 2011 BMW 750xi and 2010 BMW 750xi. 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!

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:

Remove RIGHT UNDERBODY PANELLING

IMPORTANT: Pressure lines and connections on valve block must be fitted with suitable sealing plugs (32 1 270 ) immediately after removal!

Release screws (1) for hydraulic lines on valve block.

Tightening torque 37 13 3AZ .

Fig 1: Identifying Hydraulic Lines Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Note installation position of spacers (1) and (2).
Failure to do so may result in noises/rattling!

Fig 2: Identifying Valve Block Hydraulic Line Spacer

Courtesy of BMW OF NORTH AMERICA, INC.

Open holder (1) and remove pressure lines.

Installation:

If necessary, replace damaged holders.

Fig 3: Identifying Oscillator Motor Underfloor Pressure Line Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Up to build date 08/09:

Release banjo bolts (1).

Tightening torque 37 13 5AZ .

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

Fig 4: Identifying Oscillator Motor Pressure Line Banjo Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Build date from 08/09:

Release screw connections (1) and (2).

Tightening torque 37 13 12AZ .

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

Fig 5: Identifying Oscillator Motor Pressure Line Screw Connection

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.