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

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. 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.