BMW F10 F11 Lower Seat Belt Latch Buckle Rear Left N/S 7243273

The BMW F10 F11 Seatbelt Buckle Tensioner Left Rear is an original part from the seat belts and parts category, designed for installation on the rear left side of the body. It enables proper seatbelt fastening, ensuring a stable connection with the seat and body structure, and maintaining factory protection parameters. This is a practical solution for users who want to restore the full functionality of the safety system in their BMW 5 Series F10/F11.

Specifications and technical data

• SKU: 7243273
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7243273
• Substitutable numbers: 72117243273, 7243273, EM
• Location on the vehicle: Rear, Left
• Category: Seat Belts & Parts

Vehicle Application and Placement

The seatbelt buckle tensioner has been specifically designed for installation on the rear left side of the passenger cabin. It is responsible for the secure connection of the seatbelt to the anchoring point near the seat, working in conjunction with the factory BMW safety system. Thanks to its dedicated placement, the following are maintained:

• correct belt routing geometry,
• proper buckle position relative to the seat,
• compatibility with factory mounting points.

Technical Characteristics and Compatibility

This component comes from the BMW line, which means its original construction, mounting shape, and connectors are preserved. The buckle tensioner works with the vehicle's standard electrical system and safety system, including the airbag system and SRS control unit, if the vehicle is equipped with them. This allows for:

• communication with the vehicle's electronics,
• proper functioning of safety system indicator lights,
• easy installation without the need for wiring modifications.

Benefits of Using an Original Seatbelt Buckle Tensioner

Using an original seatbelt buckle tensioner in the BMW 5 Series F10/F11 helps maintain the integrity of the entire safety system. Key benefits include:

• factory fit to the seat and body structure,
• preservation of the manufacturer's intended tensioner operating characteristics,
• no need for mounting adaptations or interference with the vehicle's structure,
• visual consistency with other interior elements.

This solution is particularly recommended after a collision, seat replacement, or during safety system repairs, when restoring full functionality to the rear seating position is required.

Item Condition and Practical Application

The seatbelt buckle tensioner is categorized as used OEM parts, allowing for economical repair while maintaining original construction. This type of component is often chosen by workshops specializing in the BMW brand and by users who expect compatibility with factory solutions without the need for aftermarket parts with uncertain parameters.

Other BMW Seat Belts and Parts

If you are also looking for other BMW seat belts and parts for your car, check out the dedicated offer in our catalog: BMW seat belts and parts. This will allow you to easily assemble all the components needed for a comprehensive repair or upgrade of the safety system.

Technical Support and Knowledge of Used Parts

When selecting used components for safety-related systems, it is advisable to consider both the condition of the part and its compatibility with the specific vehicle version. Differences in equipment, model generation, or body configuration can affect the design of tensioners, mountings, and wiring harnesses. If you want to expand your knowledge on selecting used components for your car, including the impact of suspension configuration on comfort and safety, check out our guide: Standard vs. Sport Suspension – Construction Differences and Is It Worth Buying Used Suspension Parts?. You will find practical tips there to help you make informed choices about used parts based on technical parameters and the vehicle's actual needs.