BMW E93 Convertible Lower Belt With Left Seat Belt Tensioner N/S 9117647

BMW E93 Cabrio Seat Belt Pretensioner Left Front is a component from the Seat Belts and Parts category, designed for installation on the left front side of the BMW 3 Series E93 Cabrio model. This is a technically precise safety system sub-assembly responsible for the correct functioning of the seat belt and stable restraint of the driver or passenger during driving.

Specifications and technical data

• SKU: 9177771
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9177771
• Substitutable numbers: 72119117647, 9117667, 72119177771, 9177771
• Location on the vehicle: Left
• Tire profile: 65535
• Category: Seat Belts & Parts

Purpose and Function of the BMW E93 Cabrio Seat Belt Pretensioner

The left front seat belt pretensioner works with the factory BMW safety system, ensuring proper belt tension in emergency situations. Its function is to quickly tighten the belt to the user's body, limiting uncontrolled movement in the seat and supporting the operation of other vehicle protection elements.

The component is specifically designed for the E93 Cabrio body structure, ensuring its correct positioning relative to the seat, floor, and pillar, as well as compatibility with original mountings and the vehicle's wiring harness.

Construction, Installation, and Vehicle Placement

The pretensioner is designed for installation on the left front side of the cabin, in the driver's seat area. Its construction is adapted to the standard mounting points in the BMW E93 Cabrio, facilitating correct alignment with the belt guide and buckle.

During installation, it is important to:

• maintain the correct installation direction relative to the vehicle's seat and floor,
• properly connect to the safety system wiring, in accordance with BMW service procedures,
• verify the correct operation of the mechanism after installation, including the free movement of the belt and the pretensioner's response during diagnostic tests.

Thanks to its adaptation to the specific body model, the pretensioner works with the standard seat belt, maintaining the tape routing geometry intended by the manufacturer.

Benefits of Using an Original Seat Belt Pretensioner

Using a dedicated pretensioner in the BMW E93 Cabrio helps maintain the integrity of the entire safety system. Key benefits include:

• factory fit to the seat and body structure, minimizing the risk of malfunction in an emergency situation,
• predictable vehicle behavior in terms of driver and passenger protection, as per manufacturer's specifications,
• compatibility with the seat belt system designed for the Cabrio version, including appropriate belt length and routing,
• direct replacement of a damaged component without altering the body structure.

Selecting Parts by OEM Number and Aftermarket Equivalents

The seat belt pretensioner for the BMW E93 Cabrio has an assigned OEM part number and related interchangeable numbers, which facilitates unambiguous identification of the component in service catalogs and parts selection systems. When replacing, it is advisable to compare the markings with the vehicle's documentation or the removed component to confirm full compatibility.

If you want to streamline the selection process and learn how to effectively use the OEM number or vehicle data, a practical guide will be helpful: how to select the right car part by VIN and OEM number. There you will find a step-by-step procedure and a list of questions to ask before purchasing.

BMW Seat Belts and Parts – Selecting Components for Your Car

If you are looking for other components from the BMW seat belts and parts category for your car, check out our dedicated offer: BMW seat belts and parts. There you will find compatible sub-assemblies for various models of this brand, making it easier to complete the entire protection system in one place.

Used Safety Components – When is it a Sensible Choice?

For brands known for their durability, such as Volkswagen, the topic of using used components is often analyzed in terms of cost-effectiveness and safety. If you are interested in a broader context of using used sub-assemblies in vehicles, it is worth reading the article: Volkswagen – robustness and reliability. Why are used VW parts a sensible choice?. This will help you better understand in which situations used components can be a practical solution for other brands as well.