54 37 215 Removing and installing/replacing right main kinematics hydraulic cylinder

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2013 BMW 328i, 2012 BMW 328i, 2011 BMW 328i, 2010 BMW 335i, and 2010 BMW 328i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove luggage compartment wheel arch trim on left or right. See 51 47 210 REMOVING AND INSTALLING/REPLACING TRUNK TRIM PANEL ON LEFT SIDE PANEL and 51 47 220 REMOVING AND INSTALLING/REPLACING LUGGAGE COMPARTMENT TRIM PANEL ON RIGHT SIDE PANEL .
Remove panel for main bearing on left or right. See 51 47 207 REMOVING AND INSTALLING/REPLACING PANEL FOR MAIN BEARING ON LEFT OR RIGHT .
Trunk lid opened

CAUTION: 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).

NOTE: Hydraulic system must be at zero pressure.
Open screw on hydraulic unit 1.5 turns.

Unfasten plug connection (1) and disconnect.

Fig 1: Identifying Plug Connection

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Installation:

Make sure wiring harness is exactly routed in main bearing.

Fig 2: Identifying Wiring Harness

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Removing hydraulic cylinder:

Remove retaining ring (1)
Drive out pin in inward direction (middle of vehicle)
Detach locking clip (2)
Drive out pin in outward direction (side of vehicle)
Feed hydraulic cylinder out of main bearing

Fig 3: Identifying Retaining Ring And Locking Clip
Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect all cable ties.

Installation:

Replace faulty cable ties.

Unfasten plug connection (3) and disconnect.

Detach locking clip (1).

Release screw (2) and remove tab washer.

Detach hydraulic lines.

IMPORTANT: Protect joints (lines and cylinder) against dripping fluid, e.g. with a cleaning cloth.

Fig 4: Detaching Hydraulic Lines

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Carry out operational check.
Check fluid level.