32 41 280 Removing and installing/replacing oil reservoir (RWD with N55 engine)

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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 seal plugs.

Necessary preliminary tasks

Draw off and dispose of hydraulic fluid from oil reservoir
Remove front left SUSPENSION CROSS-BRACE
Remove left intake port

Release screws (1) on wheel arch and screw (2) on expansion tank.

Remove washers.

Tightening torque 32 41 1AZ/2AZ .

Fig 1: Identifying Wheel Arch And Expansion Tank Screws

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Raise and/or turn fluid reservoir in order to gain better access to plug connection and hoses.

Release hose clamp (1) from radiator return line.

Tightening torque 32 41 3AZ .

Unfasten hose clamp (2).

Installation note:

Renew hose clamps.

Disconnect plug connection (3) on oil level sensor.

Disconnect intake pipe and radiator return line from fluid reservoir.

Lift out oil reservoir.

Fig 2: Identifying Hose Clamps And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement

If applicable, transfer OIL LEVEL SENSOR .

After installation

If necessary, carry out initial Dynamic Drive operation
Check line connections for leaks