Install backrest side section

Release the mounting element (1) on the detent (2) and remove from the body.
Check the mounting element (1).
It must not be damaged or missing.
Install the mounting element (1) on the backrest side section.

Courtesy of BMW OF NORTH AMERICA, INC.

Installing the backrest side section without side airbag

Feed the backrest side section (1) at the bottom into the guide and correctly position.
Clip in the backrest side section (1) on the mounting element (2).

Courtesy of BMW OF NORTH AMERICA, INC.

Installing the backrest side section with side airbag

WARNING: Airbag unit.
Danger! Immobilization period-threatening injuries!

Before working on the airbag, disconnect the negative battery cable from the battery.
Airbag unit may only be set down with the cushion (airbag itself) facing upwards.
For additional information see: SAFETY REGULATIONS FOR HANDLING COMPONENTS WITH GAS GENERATORS .

WARNING: Pyrotechnic components.
Danger! Immobilization period-threatening injuries!

All work on pyrotechnic parts may be carried out by technically experienced and appropriately trained personnel only.
Replace any damaged part or ones that have been dropped.
For additional information see: SAFETY REGULATIONS FOR HANDLING COMPONENTS WITH GAS GENERATORS .

Connect connector (3).
The connector must engage audibly.
Insert the backrest side section (1) in the lower guide and position it correctly.
Clip in the backrest side section (1) on the mounting element (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Replace the screw (2).
Parts: Screw

Tighten down screw (2).

TIGHTENING TORQUES SPECIFICATION

Backrest side section to backrest lock adapter plate
M6x16 Replace screw.	tightening torque	12 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Clip in the trim (1).
- Activate vehicle-specific high-voltage or low-voltage electrical system
NOTE: TECHNICAL INFORMATION
Follow the vehicle-specific instructions described in the additional information.
Activate the electrical system according to the specifications described in the following information.

Courtesy of BMW OF NORTH AMERICA, INC.
- Activating the 48 V electrical system
Precondition

Ignition is switched off.
NOTE:
RISK OF DAMAGE
Damage to the 48-V battery
If a 48-V battery disconnected from the on-board electrical system is activated, the battery electronics are damaged.
- Only ever activate the 48 V electrical system when the 48 V battery is fully connected up.
Raise the battery ground cable.
Remove special tool 2 452 007.

Courtesy of BMW OF NORTH AMERICA, INC.
Release the negative battery cable of the 48-V battery from the attachment.
Position the negative battery cable of the 48-V battery on the negative battery terminal.

Tighten nut (1).

TIGHTENING TORQUES SPECIFICATION

Negative battery cable to 48-V battery
Nut M8	Tightening torque	19 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Connect the connector of the CAN bus and lock it.
Clip in clip.

Courtesy of BMW OF NORTH AMERICA, INC.
Activate the 48 V electrical system by closing the hood.
Activation is automatic.

Courtesy of BMW OF NORTH AMERICA, INC.