Necessary preliminary tasks

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Remove REAR SEAT
Remove REAR WINDOW SHELF

Unscrew nut (1).

Tightening torque 72 11 20AZ .

Remove inertia reel unit (2).

Installation:

Pay attention to coding.

Fig 1: Identifying Inertia Reel Unit With Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (2) on middle seat belt anchor fitting.

Tightening torque 72 11 22AZ .

Installation:

Pin (3) determines the installation position and prevents the anchor fitting (1) from turning.

Fig 2: Identifying Screw On Middle Seat Belt Anchor Fitting And Pin

Courtesy of BMW OF NORTH AMERICA, INC.