BMW X5 E53 Door Lock Latch Motor Actuator Front Right O/S 8402538

Visual condition of the part

The product shows signs of use visible in the photos.

BMW X5 E53 Door Lock Latch Motor Actuator Front Right O/S is an original locking mechanism designed for installation on the passenger side of the front door. This component is responsible for precise locking and unlocking, working in conjunction with the central locking actuator as well as the exterior and interior door handles. Thanks to its factory design, it ensures the proper operation of the door locking system and correct communication with the vehicle's electronics.

Specifications and technical data

• SKU: rhd-8402538-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8402538
• Substitutable numbers: 8402538, 51218402538
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The presented lock is dedicated to the BMW X5 E53 model and is mounted in the front right door area. It is responsible for:

• mechanically locking the door leaf to the body pillar,
• transferring movement from the exterior and interior handles to the lock mechanism,
• working with the central locking actuator and the electrical system,
• maintaining a stable door position while driving and when parked.

Thanks to its factory fitment, the BMW X5 E53 Door Lock Latch Motor Actuator Front Right O/S allows for maintaining the correct closing geometry, which reduces unwanted play, rattling, and opening issues.

Construction and installation compatibility

The lock mechanism belongs to the Locks and latches group, which means it is designed as a component that works with factory guides, linkages, and the door wiring harness. The construction provides:

• an integrated locking module with an electric drive,
• mounting points matched to the factory holes in the door panel,
• connection sockets for the door electrical system,
• an interface compatible with the factory BMW central locking system.

Such a solution facilitates installation and allows for maintaining original functionality without the need for bodywork or electrical modifications.

Benefits of using an original lock

Using an original door lock in a BMW X5 E53 provides a number of practical operational benefits:

• Proper fit to the door – maintaining factory clearances and the position of the door leaf relative to the body.
• Stable cooperation with the central locking system – correct locking and unlocking via the remote control and from inside the vehicle.
• Consistency with safety systems – correct lock response during door locking and comfort functions.
• Reduction of noise problems – reduction of knocking and improper closing resulting from incorrect fitment.

For users, this means more predictable door operation, daily convenience, and a lower risk of failures related to the locking system.

Characteristics of the used component

The offered door lock is a used part, sourced from dismantling. This type of part is a reasonable choice for drivers who want to maintain factory build quality while optimizing repair costs. The mechanism retains a design consistent with the manufacturer's standard, which promotes trouble-free installation and correct cooperation with other door components.

Expanding the locking system in a BMW

If you are planning a comprehensive repair or upgrade of the door locking area in your BMW and need other components from the same group, such as locking mechanisms, lock cylinders, or central locking actuators, check the available parts in the BMW Locks and latches category.

For drivers interested in the wider use of second-hand parts in premium class cars, including vehicles related to the BMW X5 segment, valuable tips on selection and safe tuning can be found in the article Audi on second-hand parts – tuning and repairs without losing quality.