32 41 280 Removing And Installing/Replacing Oil Reservoir (N20, N52, N55)

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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: Screws On Wheel Arch And Expansion Tank

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.

Fig 2: Hose Clamp And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (3) on oil level sensor.

Disconnect intake pipe and radiator return line from fluid reservoir.

Lift out oil reservoir.

Replacement:

If applicable, transfer OIL LEVEL SENSOR .

After installation:

If necessary, carry out INITIAL DYNAMIC DRIVE OPERATION .
Check line connections for leaks.