BMW F30 LCI F80 M3 LCI F36 Seat Belt Buckle Receiver Rear Left N/S 7375445

BMW F30 LCI F80 M3 LCI F36 Seat Belt Buckle Receiver Rear Left N/S is an original component from the Seat belts and parts group, designed for installation in the rear left section of the vehicle. This used buckle ensures a factory-fit for BMW seat belt systems, maintaining the correct mounting geometry and compatibility with the stock rear seat and upholstery. It is a practical solution for replacing a damaged component following a collision or due to operational wear.

Specifications and technical data

• SKU: 7375445
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7375445
• Substitutable numbers: 7375445, 72117375445
• Location on the vehicle: Rear, Left
• Part type: Seat Belt
• Category: Seat Belts & Parts

Purpose and function of the seat belt buckle

The presented buckle is dedicated to installation in the rear zone, on the left side, which allows for proper seat belt routing and correct interaction with the tensioner and retractor (if present in the specific vehicle configuration). The component is responsible for the mechanical latching of the seat belt, thereby securely holding the passenger in place during driving and in emergency situations.

Thanks to its factory design, the buckle works with standard BMW seat belts, maintaining the appropriate rigidity, angle, and position relative to the seat. This helps avoid issues with improper belt webbing alignment, difficulty in fastening, or accidental unlatching during use.

Benefits of using an original BMW buckle

Using an original component from the Seat belts and parts group ensures compliance with the safety standards set by the vehicle manufacturer. The buckle is structurally matched to the specific BMW platform, which translates into:

• correct positioning of the anchor point relative to the seat and bodywork,
• consistency with the factory passive safety system,
• no need for modifications to mounts or upholstery,
• stable belt guidance during daily operation.

For the user, this means convenient fastening and unfastening of the belt, predictable mechanism operation, and the preservation of the ergonomics intended in the BMW interior design.

Installation characteristics and fitment

The buckle has been designed for a specific location on the vehicle – rear, left side. As a result, its geometry, the length of the mounting section, and the angle of adjustment are consistent with the factory design of the rear seat. This facilitates installation and minimizes the risk of stress at the mounting point.

As a used part, this component comes from dismantling, which in practice means it retains its original construction and compatibility with factory bolts, brackets, and guides. In many cases, this is a more predictable solution than aftermarket replacements of unknown origin, especially in an area as sensitive as safety systems.

Use in service and post-accident repairs

The rear left seat belt buckle is suitable both for the standard replacement of a worn-out component and for post-accident repairs, where it is necessary to restore the full functionality of the rear seat. Replacing the buckle is an essential step in restoring the passenger zone, as it allows for the safe use of the rear seating position once again.

In workshop practice, using an original buckle simplifies the installation process – the mechanic can utilize existing mounting points without the need for adaptation or modification of the body structure. This reduces labor time and minimizes the risk of installation errors.

Expanding safety system upgrades

If you are planning a comprehensive repair or upgrade of the rear seat passenger safety zone in your BMW and need other components from the same group, such as belt retractors, tensioners, or additional mounts, check the available parts in the BMW Seat belts and parts category.

For owners of models from years close to youngtimers who want to restore the full functionality and aesthetics of the interior, a guide describing the use of original parts from dismantling may be useful. You can find more practical tips in the article The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years.