54 34 005 Removing and installing/replacing hydraulic unit for convertible top drive

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2010 BMW M6, 2010 BMW 650i, 2009 BMW M6, 2009 BMW 650i, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Support convertible top compartment lid in service position. See 51 00 ... Service position of convertible top compartment lid .
Remove side trim panel upper section . See 51 43 002 REMOVING AND INSTALLING REAR LEFT OR RIGHT SIDE TRIM PANEL .

CAUTION: Hydraulic fluid may emerge from the disconnected lines and the open connections on the hydraulic unit.

Protect components and work area with suitable materials (e.g. cloths).

Follow repair instructions for hydraulic system.

Do not fit hydraulic lines in kinked, crushed or transposed condition.

Unfasten screws.

Installation:

Replace Torx screws and insert with Loctite.

Clip hydraulic unit open.

Remove moulded part.

Fig 1: Removing Moulded Part

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Disconnect cable straps on left and right.

Installation:

Replace faulty cable straps.

Detach moulded part (1) from hydraulic lines and electrical cables.

Fig 2: Removing Moulded Part

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Left side of car:

Unfasten plug connection (1) and disconnect.

Disconnect all cable straps.

Installation:

Replace faulty cable straps.

Feed out electrical cable.

Fig 3: Identifying Plug Connection

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Right side of car:

Unlock and disconnect upper plug connections (1).

Disconnect cable straps.

Installation:

Replace faulty cable straps.

Feed out electrical cable.

Fig 4: Disconnecting Upper Plug Connections

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Disconnecting hydraulic lines from drive hydraulics:

Release screws and push lockplates (1) in direction of arrow.
Detach hydraulic lines.
Remove hydraulic unit.

Installation:

Hydraulic lines and connections are marked with numbers to prevent mix-ups.

Check fluid level or top up if necessary.

Fig 5: Releasing Screws And Push Lockplates

Courtesy of BMW OF NORTH AMERICA, INC.