61 35 076 Removing and installing/replacing control unit for backrest width adjustment

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

52 0 050 . See SEATS - SPECIAL TOOLS .

IMPORTANT: Read and comply with notes on protection against electrostatic damage ( ESD protection ).

Necessary preliminary tasks:

Remove switch combination for seat adjustment .

Unclip cover (1) on front seat.

Fig 1: Identifying Cover

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Release screws (1) on thigh support.

Disconnect plug connection (2).

Remove thigh support (3) towards top.

Installation:

Insert screws (1) with Loctite.

Fig 2: Identifying Plug Connection, Thigh Support And Screws

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Unclip trim (1) for thigh support carrier.

Fig 3: Identifying Trim

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Detach seat cover (1).

Tilt back seat cover (1) with padding towards middle of vehicle.

Fig 4: Identifying Back Seat Cover

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Loosen retainers (1).

Tilt back thigh support (2) towards rear.

Remove all remnants of clips from seat cover and seat mechanism.

Installation:

Bend new retainers closed with pliers 52 0 050.

Fig 5: Identifying Back Thigh Support And Retainers

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Release screw (1) under tilted-up seat padding.

Unlock plug connections (2) and disconnect.

Remove control unit for backrest width adjustment (3) towards bottom.

Fig 6: Identifying Plug Connections, Backrest Width Adjustment And Screw

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Replacement:

Carry out programming/coding.