61 35 076 Removing And Installing/Replacing Control Unit For Backrest Width Adjustment

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

52 0 050

IMPORTANT:

Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION)

Necessary preliminary tasks:

Remove switch combination for seat adjustment. See REPLACING SEAT ADJUSTMENT SWITCH COMBINATION (FULLY ELECTRIC FRONT SEAT) or REPLACING SEAT ADJUSTMENT SWITCH COMBINATION (SEMI-ELECTRIC FRONT SEAT) .

Unclip cover (1) on front seat.

Fig 1: Removing Switch Combination

Courtesy of BMW OF NORTH AMERICA, INC.

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 And Screw

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Unclip trim (1) for thigh support carrier.

Fig 3: Identifying Trim For Thigh Support Carrier

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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 With Padding Middle Of Vehicle

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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: Removing Remnants Of Clips From Seat Cover And Seat Mechanism

Courtesy of BMW OF NORTH AMERICA, INC.

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: Removing Control Unit For Backrest Width Adjustment

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out PROGRAMMING/ CODING