52 17 035 Removing and installing/replacing gearing for head restraint adjustment (comfort seat)
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Head restraint must be moved as far forwards as possible.
Withdraw shaft (1) from gearing (2).
Detach upper and lower retainer of gearing (2).
Remove gearing (2) to side.
Courtesy of BMW OF NORTH AMERICA, INC.
Installation:
Carry out function check.