BMW F13 640d Rear Left Seat Belt Black 722643903

BMW F13 640d Left Rear Seat Belt Black is an original safety system component designed for the rear left side of the body. The black color ensures consistency with the factory interior finish, and the construction compliant with BMW solutions allows for precise fitting to the seat and mounting points.

Specifications and technical data

• SKU: 722643903
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 722643903
• Substitutable numbers: 722643903
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Seat Belts & Parts

Purpose and Fitment for BMW F13 640d

The presented BMW F13 640d left rear seat belt has been specifically designed for the rear bench seat on the driver's side. The retractor geometry, belt length, and mounting points are adapted to the body structure of the 6 Series F13, facilitating installation and maintaining the factory belt routing.

This item belongs to the seat belts and parts category, making it the correct choice for replacing a damaged or malfunctioning belt in this specific vehicle location.

Construction and Key Technical Features

The belt is made in a universal black color, which blends well with most BMW upholstery configurations. The belt material used has the appropriate width and fiber structure, ensuring stable guidance through the guides and buckle.

• Vehicle Placement: Rear, left side – dedicated fitment for the driver's side rear seat.
• Black Color: Neutral, factory interior finish, without contrast to the original upholstery.
• OEM BMW Construction: Maintains the correct operating characteristics of the retractor and lock during sudden braking.

A belt configured in this way allows for maintaining the correct passenger position relative to the seat and airbags, which is crucial for the effectiveness of the entire passive safety system.

Application in Service and Accident Repairs

The left rear seat belt in the BMW F13 640d is a component that often requires replacement after the activation of safety systems or in case of mechanical damage to the belt. Replacing it with an original component from the same model line allows for:

• restoring full functionality of the safety system on the rear bench,
• maintaining compatibility with factory mounting points and guides,
• avoiding fitment issues characteristic of universal aftermarket parts.

This solution is recommended for both accident repairs and for servicing vehicles where the belt webbing has become worn or frayed.

Integration with Other Vehicle Systems

The original seat belt works in conjunction with BMW's factory safety systems, such as pretensioners and control systems for safety activation. This ensures the consistency of the entire system's operation, which is important during sudden maneuvers, braking, and emergency situations.

A correctly selected left rear belt contributes to:

• passenger posture stabilization during driving,
• maintaining predictable vehicle behavior under cabin load,
• meeting technical inspection requirements regarding the functionality of the safety system.

Other BMW Seat Belts and Parts

If you are looking for other BMW seat belts and parts for your car, check out the BMW seat belts and parts available in our store to select components tailored to your specific model and body version.

Additional Knowledge and Selection of Safety Components

When undertaking comprehensive repairs of safety systems, it is also worth paying attention to the condition of the vehicle's lighting, which directly impacts visibility and driving safety. We encourage you to read the guide See More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights, where you will find practical tips on selecting original BMW components and other brands.