BMW E81 E87 E90 E91 E92 Seat Belt Buckle Tensioner Lower Belt Left N/S 9119541

BMW E81 E87 E90 Front Left Seatbelt Pretensioner is a component from the Seatbelts and Parts category, designed for installation on the front left side of the vehicle. This product is from the BMW range and is a functional component of the safety system, designed to work with the factory seatbelt.

Specifications and technical data

• SKU: 9119541
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9119541
• Substitutable numbers: 72117126295, 7126295, 72119119541, 9119541
• Location on the vehicle: Left
• Category: Seat Belts & Parts

Seatbelt Pretensioner Purpose and Function

The BMW Front Left Seatbelt Pretensioner is responsible for dynamically tightening the seatbelt in the event of sudden braking or collision. This limits excessive body movement of the driver, supporting the operation of airbags and other active and passive safety systems.

The vehicle placement specified as front left side allows for unambiguous fitting of the component to the driver's seat in E81, E87, and E90 models, in accordance with BMW's factory design.

Construction and Compatibility with BMW Safety System

The pretensioner is designed as part of the BMW seatbelt system, maintaining the geometry and mounting points specified by the manufacturer. This means:

• seamless integration with the seat and body at the front left mounting point,
• compatibility with the factory seatbelt used in the specific BMW generation,
• preservation of the manufacturer-intended operational characteristics in emergency situations.

As a component from the Seatbelts and Parts group, the pretensioner works in conjunction with the vehicle's safety system sensors and controllers, which is crucial for the proper functioning of the entire system.

Product Condition and Benefits of Choosing a Used Part

The offered seatbelt pretensioner is a used part, sourced from dismantling. This type of component allows for economical repair of the safety system while maintaining the original BMW construction. Choosing a used OEM part offers:

• preservation of the factory manufacturing standard characteristic of the BMW brand,
• favorable cost-to-functionality ratio compared to new aftermarket parts,
• the ability to restore the seatbelt system's functionality after a collision or pretensioner failure.

Prior to installation, it is recommended to verify compatibility with the specific vehicle equipment version and to have the installation performed by a qualified service center to ensure the full functionality of the safety system.

Why Use a Dedicated BMW Seatbelt Pretensioner

Using a pretensioner dedicated to the E81, E87, and E90 series for the front left side allows for:

• maintaining predictable safety system behavior as intended by the manufacturer,
• proper interaction with the seatbelt and airbags,
• minimizing the risk of system errors resulting from the installation of incompatible components.

For users who are modernizing or repairing their BMW, choosing an original solution from the Seatbelts and Parts category is important for safety and compliance with the vehicle's design.

Related Products and Technical Knowledge

If you are looking for other items from the BMW Seatbelts and Parts category, check out the BMW Seatbelts and Parts available in our store to select complete solutions for your model.

When planning more extensive vehicle work, including modifications and repairs, it is advisable to consult a guide on increasing performance using aftermarket components. Practical tips can be found in the article How to Increase Engine Power: A Practical Guide to Engine Tuning with Used Parts, which helps to consciously combine tuning with maintaining vehicle safety and functionality.