54 34 205 Removing and installing/replacing all hydraulic lines on soft top

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2018 BMW M6, 2018 BMW 650i xDrive, 2018 BMW 650i, 2018 BMW 640i xDrive, and 2018 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Support soft top compartment lid in SERVICE POSITION .
Follow REPAIR INSTRUCTIONS for hydraulic system.
Undo required cable strap.

IMPORTANT: Hydraulic fluid may emerge from the disconnected lines and the open connections on the hydraulic cylinder.
Protect components and work area with suitable materials (e.g. cloths).

Soft top hydraulics:

Fig 1: Overview Of Hydraulic Lines On Soft Top

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect relevant hydraulic lines (1) from:

(2) Hydraulic cylinder for soft-top bow . Refer to 54 34 008 REMOVING AND INSTALLING/REPLACING HYDRAULIC CYLINDER FOR LEFT SOFT-TOP BOW and 54 34 009 REMOVING AND INSTALLING/REPLACING HYDRAULIC CYLINDER FOR RIGHT SOFT-TOP BOW .
(3) Hydraulic cylinder for soft top compartment lid . Refer to 54 34 006 REMOVING AND INSTALLING/REPLACING LEFT HYDRAULIC CYLINDER FOR SOFT TOP COMPARTMENT LID and 54 34 007 REMOVING AND INSTALLING/REPLACING RIGHT HYDRAULIC CYLINDER FOR SOFT TOP COMPARTMENT LID
(4) HYDRAULIC CYLINDER FOR SOFT TOP .
(5) HYDRAULIC UNIT .

IMPORTANT: Crossed lines not permissible

NOTE: Rod heads, hose outlet and connection fasteners can be turned as desired on the cylinder and hydraulic unit!
Replace cable strap.