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 On Automatic Rear Lid Actuation (Electrohydraulic-Fully Automatic) 

Replacement only:

If necessary, replace faulty mounts (1) for hydraulic unit (2).

Fig 2: Identifying Hydraulic Unit Mounts

Courtesy of BMW OF NORTH AMERICA, INC.