BMW 3 Series E46 Compact Door Lock With Motor Actuator Front Right O/S 8253432

BMW 3 Series E46 Compact Door Lock With Motor Actuator Front Right O/S is an original component from the Locks and latches group, designed for installation in the front right door of the Compact body style. The integrated electric actuator ensures precise cooperation with the central locking system and comfortable operation of locking and unlocking the driver or passenger door from the outside.

Specifications and technical data

• SKU: rhd-8253432
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8253432
• Substitutable numbers: 51218253432, 8253432, EM
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Purpose and function in the BMW 3 E46 Compact

The presented lock is dedicated to the front right door of the BMW 3 Series E46 generation in the Compact version. It is responsible for the mechanical locking of the door panel and cooperation with the central locking system, ensuring secure locking while driving and when parked. Using the correct lock in this body section allows for maintaining the factory door closing geometry and proper operation of both the external and internal door handles.

Construction and integration with the actuator

The component combines a mechanical lock with an electric motor actuator in a single housing, which allows for control via remote, lock cylinder, or the central locking button inside the vehicle. This design:

• ensures consistent operation of the locking mechanism and the electric drive,
• facilitates installation – the unit is a single assembly,
• reduces the number of connections and potential points of failure.

Thanks to this, the lock works with the vehicle's factory electrical system, maintaining the original logic of the security system.

Installation in the front right door area

The placement on the vehicle is the front right side, which means the lock is structurally adapted to the geometry of the front passenger door (in left-hand drive vehicles) or driver door (in RHD versions). Proper fitment to this body area:

• facilitates installation in factory mounting points,
• ensures correct routing of door handle rods and cables,
• allows for maintaining tightness and proper door fitment against the seals.

Replacement is typically performed in a plug-and-play manner within the door, using original mounts and electrical connectors.

Condition, verification, and benefits of use

The offered lock is a used component, which allows for an economical repair of the locking system while maintaining the manufacturer's original specifications. This type of part is particularly useful in situations where symptoms occur such as:

• lack of door response to central locking commands,
• problems with locking or unlocking on the right side,
• irregular operation of the actuator in the front right door.

Using an original lock integrated with an electric drive helps restore the proper functioning of the security system and the comfort of daily vehicle operation.

Expansion of the lock system in BMW

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

For drivers interested in a broader view of the development of technical solutions in the premium segment, including the design of comfort and security systems, an article describing the evolution of flagship models of another high-end brand may be helpful – you can find it here: Evolution of the Mercedes S-Class: from W140 to W222 – innovations, model differences, and Mercedes auto parts over the years.