Sealing Connections On Hydraulic Unit And Hose Connections For Hydraulic Cylinders:

Hydraulic unit:

Use seal plugs from "Small parts for hydraulic unit"* set and removed seals.

Hose connections:

Use seal plugs with cap nuts from "Small parts for hydraulic unit"* set and removed seals.

* Sourcing reference: BMW Parts Service

Installation: 

Always fit new banjo bolts (1) and seals (2 and 4).

Fig 1: Identifying Banjo Bolts And Seals

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation: 

Insert guide (1) into counter support (2).

Fig 2: Inserting Guide Into Counter Support

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, replace counter support (2).