LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2003 >> 745Li >> Repair and Diagnosis >> Electrical >> Gauges >> Body Equipment - Repair Instructions >> Trunk Latch Locks >> 51 24 660 Correcting fluid level in hydraulic unit (from 02/2003) for rear lid actuation (electrohydraulic-fully automatic)

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

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: 

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
G03291476Courtesy 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
G03291477Courtesy of BMW OF NORTH AMERICA, INC.