52 13 390 Removing and installing or replacing front left or right head restraint

Removal: 

Press height adjustment (1) and pull out head restraint (2) upwards.

Fig 1: Pulling Out Head Restraint Upwards

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Installation: 

Insert head restraint (1) downwards and engage.

Fig 2: Inserting Head Restraint Downwards

Courtesy of BMW OF NORTH AMERICA, INC.