BMW F21 LCI F22 F23 Wing Mirror Door Left N/S Control Unit Module 7443905

BMW F21 LCI F22 F23 Wing Mirror Door Left N/S Control Unit Module is an original component of the exterior mirror adjustment system, designed for installation on the driver's side. Thanks to its factory-engineered BMW design, it ensures precise control over mirror positioning and proper integration with the vehicle's electrical system, which translates into comfort and safety during daily use.

Specifications and technical data

• SKU: rhd-7443905
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7443905
• Substitutable numbers: 7443905, 51167459075, 7459075
• Location on the vehicle: Left
• Category: Mirror Assemblies

Purpose and function of the control module

The presented module is responsible for the electronic control of the left exterior mirror in selected BMW F21 LCI, F22, and F23 series models. Its task is to process signals from the switches in the cabin and transmit them to the adjustment motors in the mirror, allowing for smooth adjustment of the mirror glass in both vertical and horizontal axes.

Its placement on the left side of the vehicle allows for direct connection to the factory driver's door wiring harness without the need for any modifications. This ensures full compatibility with the original BMW electrical system, and the risk of communication errors within the vehicle's network is minimized.

Construction and integration with the electrical system

The mirror control module has been designed as a component that works with the dedicated software and electrical architecture of the F-series platforms. This means that it:

• communicates with other body control units in accordance with factory BMW standards,
• supports mirror adjustment functions from the door panel,
• is adapted for installation in the manufacturer-designated location within the door.

Such a design allows for stable operation of the mirror adjustment system and limits the risk of interference in the vehicle's electronic communication, which is particularly important in modern models with extensive controller networks.

Benefits of using an original pre-owned module

Choosing an original, pre-owned mirror control module for your BMW is a solution that combines factory fitment with cost-effective repair. The component sourced from dismantling retains the design intended by the manufacturer, ensuring that it:

• fits factory connectors and mounting brackets in the door,
• does not require mechanical or electrical adaptation,
• reduces the risk of compatibility issues compared to low-quality aftermarket replacements.

This approach is particularly beneficial when servicing vehicles a few years old, where it is essential to maintain the efficiency of comfort systems while keeping repair budgets under control.

Practical application in service

The left mirror control module is suitable both for the typical replacement of a damaged controller and for repairs following collisions involving the driver's door or the mirror area. By maintaining the original BMW specification, full mirror adjustment functionality can be restored without interfering with other parts of the installation.

If you are planning a comprehensive repair or upgrade of the side body area of your BMW and need other components from the same group, such as housings, glass inserts, or complete mirror assemblies, check out the available parts in the BMW Exterior Mirrors category.

Support in selecting pre-owned parts

When working with original recycled components, it is worth knowing the best practices for their selection and operation. To better understand how to safely use pre-owned components and optimize service costs, read the article Brake calipers under the microscope: How to effectively reduce repair costs by choosing verified recycled parts, which discusses the key principles of selecting original pre-owned parts.