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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 2108 (Steering And Wheel Alignment - Repair) >> Pump And Oil Supply >> 32 41 033 Removing and installing/replacing power steering pump for power steering gear with active front steering (N54) >> Notes

32 41 033 Removing and installing/replacing power steering pump for power steering gear with active front steering (N54): Notes

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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.
Seal off hydraulic lines with plugs.
IMPORTANT: Aluminium-magnesium materials. 
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts exclusively.
Aluminium screws/bolts must be replaced each time they are released. 
The end faces of aluminium screws/bolts are painted blue for the purposes of reliable identification.
Jointing torque and angle of rotation must be observed without fail (risk of damage). 

Necessary preliminary tasks: 

Release hose clamp (1) and detach suction line from power steering pump.

Release banjo bolt (2) and detach pressure line from power steering pump.

Installation: 

Replace all sealing rings.

Make sure hydraulic lines are laid without tension and with sufficient spacing to adjoining components.

Align suction line by way of "P" marking to connection on power steering pump.

Tightening torque 32 41 4AZ .

Fig 1: Identifying Hose Clamp And Banjo Bolt
G06211527Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Release screws (2, 5).

Installation: 

Reinstall holder (3).

Make sure vent line (4) is correctly seated in holder retaining clip (3).

Replace aluminium screws. 

Observe screwing sequence!

Fig 2: Identifying Vent Line And Holder With Retaining Clip
G06211528Courtesy of BMW OF NORTH AMERICA, INC.

Release bolts (1) and remove power steering pump towards top.

Installation: 

Replace aluminium screws. 

Observe screwing sequence!

Fig 3: Identifying Power Steering Pump Bolts
G06211529Courtesy of BMW OF NORTH AMERICA, INC.