BMW i3 Owner's Manual page 79

Attaching the upper retaining strap to
the mounting point
1. Raise the head restraint if needed.
2. Guide the upper retaining strap between
the supports of the head restraint.
3. If there is a retaining strap, run it between
the backrest and the cargo cover.
4. Attach the hook of the retaining strap to
the mounting eye.
5. Tighten the retaining strap by pulling it
down.
6. Lower and lock head restraints as needed.
Online Edition for Part no. 01 40 2 960 865 - II/15
Transporting children safely Controls
63