51 24 151 Removing And Installing/Replacing Hydraulic Cylinder For Rear Lid (Electrohydraulic-Fully Automatic)

Necessary preliminary tasks: 

• Follow instructions  for automatic rear lid actuation (electrohydraulic)

  See NOTES AND INSTRUCTIONS ON AUTOMATIC REAR LID ACTUATION (FROM 02/2003) (ELECTROHYDRAULIC-FULLY AUTOMATIC)  or NOTES ON AUTOMATIC REAR LID ACTUATION (ELECTROHYDRAULIC-FULLY AUTOMATIC) .

• Disconnect hoses on hydraulic unit

  See REMOVING AND INSTALLING/REPLACING HYDRAULIC UNIT FOR REAR LID ACTUATION (ELECTROHYDRAULIC-FULLY AUTOMATIC)  or REMOVING AND INSTALLING/REPLACING HYDRAULIC UNIT FOR REAR LID ACTUATION (FROM 02/2003) (ELECTROHYDRAULIC-FULLY AUTOMATIC) .

• If necessary, remove TRANSMIT-RECEIVE UNIT

Open cable holders (2 and 4).

Release cable tie (3).

Feed out hydraulic hoses (1).

Fig 1: Identifying Hydraulic Hoses And Cable Holders

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Routing of hydraulic hoses (1):

• behind cables (3)
• correctly into cable holders (4)
• right side with 2 cable ties (2)

Fig 2: Identifying Cables And Hydraulic Hoses

Courtesy of BMW OF NORTH AMERICA, INC.

Open cable holders (1).

Feed out hydraulic hoses (2).

Fig 3: Identifying Hydraulic Hoses And Cable Holders

Courtesy of BMW OF NORTH AMERICA, INC.

Open cable holder (1) and feed out hydraulic hoses (2).

Lever hydraulic cylinder (4) out of ball pin (3).

Release retainer (5), remove and detach hydraulic cylinder (4) from rear lid hinge (6).

Fig 4: Detaching Hydraulic Cylinder From Rear Lid Hinge

Courtesy of BMW OF NORTH AMERICA, INC.

Hoses on hydraulic cylinder must be sealed tight. For this purpose, use the seal plugs and cap nuts from the "Small parts for hydraulic cylinder" set.

Installation: 

Check function.

Fig 5: Identifying Hose Connections On Hydraulic Cylinder

Courtesy of BMW OF NORTH AMERICA, INC.