BMW E65 E66 Front Right O/S Seat Lower Belt Tensioner Buckle 7210870

The BMW E65 E66 Right Front Seatbelt Pretensioner is an original part from the Seatbelts and Parts category, designed for installation on the front right passenger side of BMW 7 Series E65/E66 models. It is a crucial component of the passive safety system, responsible for ensuring proper belt tension at a critical moment.

Specifications and technical data

• SKU: 7210870
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7122210
• Substitutable numbers: 72117210870, 7210870, 72116982524, 72119112570, 72117122212, 6982524, 9112570, 7122212, 7122210
• Location on the vehicle: Front, Right
• Category: Seat Belts & Parts

Purpose and Function of the BMW E65 E66 Seatbelt Pretensioner

The front right seatbelt pretensioner in the BMW E65/E66 works in conjunction with the airbag system and collision sensors to instantly pull the seatbelt tight against the passenger's body. This limits uncontrolled movement of the person seated and helps maintain them in the correct position relative to the seat and airbags.

This component is particularly important in large, heavy sedans like the BMW 7 Series, where passenger body stabilization during a collision directly impacts the effectiveness of the entire safety system. A properly functioning pretensioner reduces the risk of chest, pelvic, and head injuries.

Construction and Vehicle Placement

The presented pretensioner is designed for installation on the front right side of the vehicle, in the passenger seat area. Its construction is integrated with the seatbelt anchor, ensuring:

• precise guidance of the seatbelt webbing along its factory-intended path,
• controlled tension at the moment of activation of the safety system,
• stable connection to the bodywork, minimizing unwanted play.

Placement on the front right side means this part is dedicated to a specific mounting position and should not be interchanged with pretensioners from other sides of the vehicle.

Original Origin and Interchangeable Numbers

The pretensioner comes from the BMW OE line, meaning it is a part that complies with the manufacturer's factory standards. The product has an assigned OEM part number and a set of interchangeable numbers, facilitating its compatibility with specific BMW E65/E66 configurations. This allows for vehicle compatibility verification not only by model but also by technical numbering, which is particularly important when selecting safety system components.

In the technical specifications description, you will find both the OEM part number and reference numbers that allow for unambiguous identification of the pretensioner in BMW catalogs and professional parts selection systems.

Condition, Application, and Benefits of Installation

The offered seatbelt pretensioner is a used part, allowing for economical repair of the safety system while maintaining original BMW quality. This is a practical solution in situations where:

• the airbag and pretensioner system has deployed after a collision,
• diagnostics have indicated a fault with the passenger-side seatbelt pretensioner,
• a damaged or malfunctioning component needs replacement to restore full SRS system functionality.

Using an original pretensioner from the same model family ensures proper cooperation with the vehicle's electronics, appropriate activation parameters, and compatibility with factory mounting points. This is especially important in premium vehicles where safety systems are complex and precisely calibrated.

Why Choose BMW OE Seatbelts and Parts

For components such as pretensioners, buckles, or complete seatbelts, choosing OEM versions from the Seatbelts and Parts category minimizes the risk of compatibility issues and airbag system errors. Original BMW solutions are designed for:

• maintaining full SRS system functionality throughout the vehicle's service life,
• appropriate pretensioner reaction time depending on the type of collision,
• consistent operation with sensors and control units located in the bodywork.

If you are looking for other parts from the seatbelt category dedicated to this brand, check the available BMW Seatbelts and Parts to select a complete solution for your car.

How to Speed Up Safety System Repairs

In case of a seatbelt pretensioner failure or after airbag system deployment, quick access to the right components is crucial. It is worth knowing how used OEM parts affect vehicle downtime and repair costs. If you want to better plan your BMW's servicing, read the article: Immediate Availability of Car Parts vs. Repair Time – How Used OEM Parts Shorten Workshop Stays?

Summary

The BMW E65 E66 Right Front Seatbelt Pretensioner is a dedicated, original safety system component designed for installation on the front right passenger seat. Thanks to its factory origin, specific mounting position compatibility, and the presence of reference numbers in its specifications, it provides a solid basis for professional repair of the seatbelt system in the BMW 7 Series E65/E66.