Installing the front lower strap (CLS)

WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.

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

NOTE: TECHNICAL INFORMATION
Clean all threaded belt connections with micro-encapsulated outer and internal threads.
Shavings or other debris must not remain in the components.
If a microencapsulated screw is reused, it must be coated with the following screw locking agent: Loctite 243, medium strength.
The screw connection must be completed within 10 minutes as hardening begins after this period.

NOTE: TECHNICAL INFORMATION
Component is encoded against incorrect assembly.

Insert the front lower strap (2) and position it correctly.
Replace the screw (1).

Parts: Screw

Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATION

Lower strap to seat mechanism
M10 screw Replace screw.	Tightening torque	38 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Clip in the cable clip (2).
Connect connectors (1) and lock.

Courtesy of BMW OF NORTH AMERICA, INC.
Clip in the attachment points (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE SUPPORT FOR THE FRONT SEAT, REAR SEAT BACKREST (CSL) .
Refer to INSTALLING THE SUPPORT FOR THE FRONT SEAT (CSL) .
Refer to DISCONNECTING THE FRONT SEAT FROM THE WIRING HARNESS OF THE VEHICLE AND REMOVING IT FROM THE UNIVERSAL SEAT MOUNT .
Refer to INSTALLING DRIVER'S SEAT .
Refer to INSTALLING THE STRAP FITTING .