52 13 ... Removing And Installing/Replacing Guide For Front Left Or Right Head Restraint

Necessary preliminary tasks: 

• Remove head restraint. See REMOVING AND INSTALLING OR REPLACING FRONT LEFT OR RIGHT HEAD RESTRAINT (NORMAL/SEMI-ELECTRIC)  or REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT CRASH-ACTIVE HEAD RESTRAINT .
• Remove rear panel on front seat

Press catches together and feed guide upwards out of cover and padding.

Fig 1: Pressing Catches

Courtesy of BMW OF NORTH AMERICA, INC.