51 24 660 Correcting fluid level in hydraulic unit (from 02/2003) for rear lid actuation (electrohydraulic-fully automatic)

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IMPORTANT: Do not under any circumstance remove fluid tank from hydraulic unit.
Use fluid from "Small parts for hydraulic unit" set.

Follow notes and instructions for automatic rear lid actuation (electrohydraulic-fully automatic). Refer to 51 24... NOTES AND INSTRUCTIONS ON AUTOMATIC REAR LID ACTUATION (FROM 02/2003) (ELECTROHYDRAULIC-FULLY AUTOMATIC) .

Necessary preliminary tasks:

Remove hydraulic unit. Refer to 51 24 150 REMOVING AND INSTALLING/REPLACING HYDRAULIC UNIT FOR REAR LID ACTUATION (FROM 02/2003) (ELECTROHYDRAULIC-FULLY AUTOMATIC) .

NOTE: Hoses on hydraulic unit must not be detached.

Have a cleaning cloth and an oil drip tray ready to catch emerging fluid.

Move hydraulic unit (1) into vertical position.

Fig 1: Releasing Screw

G03291476

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (2).

Tightening torque 51 24 2AZ. Refer to BODY EQUIPMENT - TIGHTENING TORQUES .

Top up hydraulic fluid through opening.

Installation:

Replace sealing ring.

Check fluid level. Refer to 51 24... NOTES AND INSTRUCTIONS ON AUTOMATIC REAR LID ACTUATION (FROM 02/2003) (ELECTROHYDRAULIC-FULLY AUTOMATIC) .

When ideal filling is achieved:

Install hydraulic unit.

Close rear lid (motor-driven) twice and open again, this bleeds the system.

When rear lid is fully opened (cylinder retracted), fluid level (2) must be in area (A) of marking (3).

Fig 2: Checking Fluid Level

G03291477

Courtesy of BMW OF NORTH AMERICA, INC.