Install the backrest cover of the rear seat backrest

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Position the backrest cover on the cushion.
Secure all trim wires with clamps.

Courtesy of BMW OF NORTH AMERICA, INC.
Replace the clamps (2).
Parts: Clamps
Insert the clamp (2) with the special tool 0 492 668 (52 0 050) .
Clasp the trim wire (3) of the cushion (1) and the trim wire (4) of the backrest covering (5) with the clamp (2) and bend the clamp (2) shut.

Courtesy of BMW OF NORTH AMERICA, INC.