52 16 405 Replacing Backrest Cover For Left Or Right Front Seat (Sport/Electric) (M5)

Necessary preliminary tasks: 

• Remove FRONT SEAT 
• Remove rear panel on front seat backrest. See NORMAL / ELECTRIC SEAT  or COMFORT SEAT .
• Remove INNER COVER  on front seat

Release all retainers (1).

Installation: 

Bend new retainers closed with pliers 52 0 050 .

Unfasten plug connection (2) and disconnect.

Unhook backrest cover (3) in marked areas.

Fig 1: Identifying Plug Connection, Retainers And Backrest Cover

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Release all retainers at spring wire and backrest padding.

Installation: 

Bend new retainers closed with pliers 52 0 050 .

Fig 2: Locating Retainers At Spring Wire And Backrest Padding

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Carefully fold backrest cover (1) forwards.

Release all retainers.

Installation: 

Secure padding (2) and adjustment unit (3) with new retainers.

Bend new retainers closed with pliers 52 0 050 .

Fig 3: Folding Backrest Cover

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Release all retainers in marked areas.

For seat heating optional extra only: 

Disconnect plug connections (1).

Fig 4: Identifying Plug Connections

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Release all retainers in marked area.

Remove backrest cover (1) from padding.

Remove all remnants of retainers from backrest cover (1) and padding.

Fig 5: Identifying Backrest Cover

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Installation: 

Bend new retainer (2) with special tool 52 0 050 .

1. Support
2. Retainer
3. Trim thread in support
4. Trim wire in backrest cover
5. Back-rest cover

Fig 6: Identifying Support, Retainer And Back-Rest Cover

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For seat heating optional extra only: 

Installation: 

Do not trap or crush cable (1) from side heating elements with trim thread and/or retainers.

Fig 7: Identifying Crush Cable

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For seat heating optional extra only: 

Disconnect plug connections (1) for heating elements.

Remove backrest cover (2) from support.

Fig 8: Removing Backrest Cover

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Lever out locking strip of head restraint guide with trim panel wedge 00 9 317 .

Installation: 

Mount straight front face of head restraint guide towards front.

Fig 9: Identifying Special Tool (00 9 317)

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Replacement of back-rest cover: 

Pull trim threads out of backrest cover.

Installation: 

If necessary, cut new backrest cover to size and insert trim threads.

Fig 10: Identifying Trim Threads Out Of Backrest Cover

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