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

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. 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 line 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 immediately after removal! 32 1 270

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

Tightening torque 37 13 3AZ .

Fig 1: Identifying Hydraulic Lines Mounting Screws On Valve Block

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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

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Open holder (1) and remove pressure lines.

Installation note:

If necessary, replace damaged holders.

Fig 3: Identifying Pressure Lines Holder

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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 Banjo Bolts

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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 Screw Connections

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 leaks.
Carry out INITIAL DYNAMIC DRIVE OPERATION .