Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025

Window Lifter Drive BMW E87 E90 E91 Motor Rear Left is an original component from the Electronic control modules and controllers group, designed for operating the rear left window in selected BMW 1 and 3 Series models. The used motor ensures factory-fit, maintaining proper cooperation with the vehicle's electrical system and comfort module.

Specifications and technical data

• SKU: 6927025-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6927025
• Substitutable numbers: 67626927025, 6927025
• Location on the vehicle: Rear, Left
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

The presented window lifter motor is responsible for driving the mechanism that raises and lowers the rear left window in BMW E87, E90, and E91 body styles. As a component of the window control system, it interacts with the vehicle's electrical installation, receiving signals from switches and comfort modules, and converting them into precise window movement.

The placement on the vehicle, specified as rear – left side, allows for clear identification of the mounting position, which facilitates the selection of the correct component during repairs of the window system following failure, wear, or mechanical damage.

Benefits of using an original BMW motor

Using an original window lifter motor in BMW E87, E90, and E91 ensures:

• Factory electrical fit – proper cooperation with the wiring harness and control modules.
• Stable operation of the window lifting and lowering mechanism in the rear left part of the body.
• Reduction of the risk of communication errors in the comfort system resulting from unsuitable replacements.
• The ability to maintain the original functionality of window control from the driver's panel and rear doors.

Thanks to this, the motor is a practical solution for window system service, especially where compatibility with the existing vehicle electronics is essential.

Component characteristics and installation

The window lifter motor belongs to the Electronic control modules and controllers group, meaning it acts as both an actuator and a part that cooperates with the comfort control system. The design, intended for a specific location on the vehicle, facilitates installation in the rear left door, while maintaining the correct position of connectors and mounting points.

When replacing, it is recommended to:

• check the condition of the window lifter mechanism (guides, cables, sliders),
• verify electrical connectors for corrosion and looseness,
• check the correct operation of the window after installation – throughout the full range of motion.

Use of a used electronic module

The item is offered as used, which allows for an economical repair of the window system while maintaining the manufacturer's original specifications. In the case of automotive electronics, it is important to select components according to their intended use and location on the vehicle, which minimizes the risk of compatibility issues.

If you want to better understand when choosing a used module or motor is justified, how to assess their condition, and what to pay attention to during installation, it is worth checking out the guide: Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Expanding repairs within BMW electronics

If you are planning a comprehensive repair or upgrade of the control electronics area in your BMW and need other elements from the same group, such as window control modules, comfort controllers, or other electronic actuator units, check the available parts in the BMW electronic control modules and controllers category.