BMW E65 E66 Front Left Seat Lower Belt Tensioner Buckle N/S 7210869

BMW E65 Front Left Seat Belt Pretensioner is a component from the Seat Belts and Parts category, designed for installation on the front left side of the vehicle. This is an original BMW component that allows for the restoration of the driver's safety system's proper function after a collision or failure of the existing pretensioner.

Specifications and technical data

• SKU: 7210869
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7210869
• Substitutable numbers: 7210869, 72117210869, 9112569, 72119112569, 6982523, 72116982523, 7122211, 72117122211, KZ
• Location on the vehicle: Front, Left
• Category: Seat Belts & Parts

Seat Belt Pretensioner Purpose and Function

The seat belt pretensioner is responsible for rapidly tightening the belt against the driver's body when the safety system is activated. This limits uncontrolled body movement during a collision and works in conjunction with airbags, enhancing the overall level of protection within the cabin.

The presented pretensioner is designed for installation on the front left side of the vehicle, meaning it works in tandem with the driver's seat belt in the BMW 7 Series E65. A correctly selected and functional component is crucial for maintaining the original safety parameters of the BMW's construction.

Compatibility and Technical Parameters in Practice

As part of the Seat Belts and Parts group, the pretensioner works with the factory seat mounting, belt buckle, and the safety system control unit. Proper placement on the vehicle (front, left side) ensures correct belt routing and the proper functioning of the tensioning mechanism.

The component has a dedicated OEM part number and interchangeable numbers, which facilitates verification of compatibility with a specific BMW E65 configuration. Before purchasing, it is advisable to compare the designations with your vehicle's data to ensure the pretensioner will work correctly with the existing belt and safety system controller.

Condition, Origin, and Benefits of Using BMW Parts

The seat belt pretensioner is offered as a used original BMW part. In practice, this means retaining the factory geometry, correct mounting point, and compatibility with the seat and body pillar construction. Original BMW components are designed for long-term operation and compliance with stringent safety standards.

• Factory Fitment – maintaining original mounting points and proper alignment with the seat belt.
• Safety System Cohesion – integration with the control unit and other SRS components in the BMW E65.
• Economical Solution – a used OEM component allows for restoring system functionality without the need to purchase a new part.

Why Choose This Seat Belt Pretensioner

Replacing a damaged or deployed pretensioner with an original BMW part allows for maintaining predictable safety system behavior in emergency situations. This is particularly important in BMW 7 Series class vehicles, where the body structure and SRS system are designed as a cohesive unit.

If you are looking for other products from the BMW Seat Belts and Parts category, check out our offer using the link: BMW Seat Belts and Parts. This will help you easily select compatible components for your model.

Safety, Drivetrain, and Technical Knowledge

When working with safety systems and drivetrain components, it is advisable to rely on reliable technical information. If you are interested in a broader context for selecting used parts such as differentials, sensors, or drivetrain components, consult our guide: Used Differentials – What You Should Know About Second-Hand Differentials, Sensors, and Drivetrain Systems. This provides practical knowledge for comprehensive vehicle maintenance.