BMW G60 G61 G70 G90 X2 U10 X1 U11 Tailgate Boot Lock Actuator Electric 5B539E4

BMW G60 G61 G70 G90 X2 U10 X1 U11 Tailgate Boot Lock Actuator Electric is an original component from the Locks and Latches group, designed for new-generation BMW vehicles. The electric tailgate closing control ensures convenient trunk operation, stable latching, and secure locking of the lid during daily use.

Specifications and technical data

• SKU: 5B539E4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5B539E4
• Substitutable numbers: 5B539E4, 51245B539E4
• Category: Exterior Locks & Lock Hardware

Purpose and function of the tailgate lock

The presented lock is a component of the system responsible for electric locking and unlocking of the tailgate in selected BMW G and X series models. It works with the vehicle's electrical system and comfort modules, allowing the tailgate to be operated via the interior button, the remote key fob, or – depending on the vehicle configuration – the button on the tailgate itself.

The precise locking mechanism ensures the tailgate closes securely, reduces play, and minimizes the risk of accidental opening while driving. As a result, the trunk system remains sealed, and the bodywork is not exposed to additional vibrations caused by an improperly closed lid.

Construction and integration with the BMW electrical system

The tailgate lock in this version combines a mechanical part with an integrated electric actuator. The mechanism is designed for specific BMW models, which translates into the correct positioning of mounting points, the appropriate shape of the catch, and a compatible electrical connector.

The component works with factory BMW comfort controllers, ensuring that after proper installation, the functionality of the original tailgate opening and closing system is maintained. In practice, this means the ability to use existing buttons, remote controls, and comfort access functions if present in the specific vehicle.

Benefits of using an original BMW lock

Choosing an original tailgate lock for BMW G and X series ensures:

• Full installation compatibility with factory mounting points in the bodywork.
• Proper cooperation with the vehicle's electrical system and control modules.
• Stable tailgate locking, which affects acoustic comfort and reduces vibrations.
• Consistency with the factory security system and central locking.

By using an original element from the Locks and Latches group, you avoid problems with fitment, improper closing, or communication errors in the comfort system, which often occur with low-quality parts.

Condition, verification, and preparation for installation

The offered lock comes from a BMW vehicle and is a used component, which allows for a favorable cost-to-quality ratio. Before being offered for sale, the part is verified for the correct operation of the locking mechanism and the response of the electric actuator to ensure functionality as intended.

During installation, it is recommended to follow BMW service procedures, including the correct positioning of the lock relative to the tailgate catch and adjustment control, so that the tailgate closes smoothly and without excessive force. If necessary, after installation, it is worth performing an adaptation in the diagnostic system if the specific model requires it.

Trunk area expansion and related components

If you are planning a comprehensive repair or upgrade of the trunk area in your BMW and need other elements from the same group, such as additional latches, soft-close mechanisms, or actuators, check out the available parts in the BMW Locks and Latches category.

For drivers interested in a broader approach to modifying premium segment cars and using used components in modernization projects, an article describing the characteristics of sports MINI versions may be helpful – you can find it here: MINI John Cooper Works – what makes it stand out and how to upgrade your MINI?.