BMW 3 Series E46 Rear Left Door Lock Latch Motor Actuator N/S 7011245

BMW 3 Series E46 Rear Left Door Lock Latch Motor Actuator N/S is an original component from the Locks and Latches group, designed for precise operation of the locking mechanism in the rear left door. This complete module, featuring a motor and central locking actuator, ensures proper integration with the factory electrical system and provides comfortable, predictable operation of the vehicle's locking system.

Specifications and technical data

• SKU: rhd-7011245
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7011245
• Substitutable numbers: 51227011245, 7011245
• Location on the vehicle: Rear, Left
• Category: Exterior Locks & Lock Hardware

Purpose and function in the BMW 3 E46

The presented lock is dedicated for installation in the rear left door of the BMW 3 Series E46, where it is responsible for mechanical locking and controlling the opening and closing via the central locking system. The integrated electric actuator works with the body wiring, enabling smooth operation from the remote control, key, or interior buttons.

Its location in the rear left section of the body means this component has a direct impact on passenger comfort and the safety of occupants, especially during daily urban use of the vehicle.

Module construction and central locking integration

The module combines a mechanical door lock with an electric drive in a single housing, which simplifies installation and maintenance. Inside the housing, the actuator motor operates, transmitting movement to the locking mechanism through a system of gears and levers. As a result:

• the lock responds to signals from the central locking system and the comfort control module,
• it ensures consistent operation with the vehicle's other doors,
• it maintains a stable bolt position in both open and closed states.

The original BMW design promotes proper fitment with the door panel, handle linkages, and electrical harness, which reduces the risk of play, jamming, or improper closing.

Benefits of using an original rear left door lock

Using a factory lock in the BMW 3 E46 allows for maintaining the performance parameters specified by the vehicle manufacturer. Key advantages include:

• Full compatibility with the body and electrical system – no need for modifications to the harness, linkages, or mounts.
• Stable cooperation with the central locking and comfort system – predictable locking of all doors.
• Proper fit to the door geometry – correct closing and retention of the door in the closed position.

For the user, this means fewer problems with doors failing to close, self-opening, or lack of response to the remote signal, as well as easier diagnostics in the event of potential system faults.

Condition, installation, and service application

The item is sourced from dismantling and is offered as a used BMW 3 Series E46 Rear Left Door Lock Latch Motor Actuator N/S, which is a cost-effective service solution for repairs on daily-driven vehicles. Replacement is performed in place of the factory lock, using original mounting points and the existing wiring harness.

In practice, installation involves removing the door trim, disconnecting the linkages and electrical connectors, and then installing the module in place of the old one. Thanks to the preservation of the factory design, it is possible to restore the correct operation of the central locking without interfering with the door structure.

Expansion of the BMW lock system – Locks and Latches category

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

For drivers interested in improving visibility and driving safety, a useful supplement to service knowledge may be an article on selecting lighting – more information can be found in the material See more and better – a complete guide to selecting and replacing used LED and Xenon headlights, which discusses the practical aspects of using original components in BMW vehicles.