BMW F30 F31 LCI F80 M3 LCI Door Lock Operating Rod Rear Left N/S 7270003

BMW F30 F31 LCI F80 M3 LCI Door Lock Operating Rod Rear Left N/S is an original locking mechanism component designed for the rear left body section of BMW F-series models. This used component from the Internal locks and latches group allows for the restoration of proper door lock operation, ensuring secure closing and stable transmission of movement from the handle to the lock. It is a practical solution for repairs following a collision, wear and tear, or issues with the door mechanism operation.

Specifications and technical data

• SKU: 7270003
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7270003
• Substitutable numbers: 51227270003, 7270003
• Location on the vehicle: Rear, Left
• Category: Interior Locks & Lock Hardware

Purpose and function of the lock operating rod

The lock operating rod in this version is responsible for the mechanical connection between the handle and the lock cylinder with the locking module in the rear left door. The precisely selected geometry of the component ensures the correct travel and direction of operation, which translates into consistent opening and closing of the door from both the inside and the outside.

The vehicle placement defined as rear – left side eliminates the risk of installation errors and facilitates part selection when repairing a specific body point. Thanks to this, the component is the right choice when replacing a damaged rod in the left rear door of BMW F30/F31 LCI and F80 M3 LCI family vehicles.

Benefits of using an original BMW component

Using an original lock operating rod in BMW vehicles provides a number of practical technical benefits:

• maintaining the factory characteristics of the door locking mechanism,
• reliable movement guidance without excessive play or jamming,
• compatibility with the existing lock, handles, and other internal mechanism components,
• reducing the risk of improper fitment, typical for aftermarket parts with universal geometry.

As a result, the rear left door opening and closing mechanism regains operational stability, which is important for both user comfort and passenger safety.

Installation characteristics and application

The lock operating rod is intended for installation within the internal door structure, in the immediate vicinity of the lock and handles. The component works with factory mounting points and mechanism levers, which facilitates service and reduces repair time. The used component allows for an economical, yet technically correct, restoration of the locking function in the rear left part of the body.

Due to its dedicated vehicle placement, the rod is the right choice when:

• replacing a damaged or bent component after bodywork intervention,
• repairing a faulty lock that does not respond to handle movement,
• restoring full door functionality after a collision or long-term use.

Component condition and use in service practice

The offered lock operating rod is a used part, which allows for combining reasonable repair costs with the preservation of the original BMW design. Such components are frequently used in professional workshops for post-accident repairs and in services specializing in F30, F31, and F80 models, where compliance with the factory door layout is essential.

Choosing an original, used lock operating rod is particularly beneficial where the priority is maintaining the factory locking system without modifying the door structure, while simultaneously optimizing the costs of the entire service operation.

Repair expansion and related components

If you are planning a comprehensive repair or upgrade of the door lock area in your BMW and need other elements from the same group, such as cables, latches, or internal lock mechanisms, check the available parts in the BMW Internal locks and latches category.

If you want to further optimize service costs while also caring for the environment, it is worth considering a wider use of recycled components – you can find more on this topic in the article Eco-tuning in practice: how to increase performance while reducing your carbon footprint using recycled parts.