BMW F90 M5 Window Lifter Switch Front Rear Right O/S Door Control Button 9327031

The Audi A4 B7 Front Rear Window Switch 8E0959855 is a functional component from the Switches, Controls, and Ignition Switches group, designed to control the front or rear window on the right side of the vehicle. Thanks to its factory design, adapted to BMW standards, it ensures reliable operation of the window lifting and lowering mechanism and consistency with the original interior equipment.

Specifications and technical data

• SKU: 9327031
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9327031
• Substitutable numbers: 9327031, 61319327031
• Location on the vehicle: Front, Rear, Right
• Category: Switches & Controls

Purpose and Placement in the Vehicle

The offered switch is designed for installation on the right side of the cabin, in both the front and rear areas. This placement allows for precise control of the passenger window, maintaining the ergonomics of the factory button layout in the door. The component is compatible with the electrical system intended for BMW vehicles, which facilitates integration with the existing wiring harness and comfort modules.

Switch Construction and Functionality

The window switch has been constructed as a compact module with a clearly perceptible operating stroke, which facilitates operation without taking your eyes off the road. The electrical contact mechanism is optimized for repetitive use, and the appropriately selected pressure force limits accidental activation. This makes window control predictable and convenient for both the driver and the passenger.

The element belongs to the group of interior control components, so its construction is adapted to work in variable temperature conditions and under regular mechanical load. The applied button geometry promotes intuitive operation – the direction of hand movement corresponds to the direction of window operation, which improves user comfort.

Benefits of Using an Original Switch

Using a switch from the same design group as factory BMW components allows for visual and functional consistency of the interior. The appropriate matching of dimensions and mounting points translates into stable seating in the door panel, without play or unwanted noises during driving. This solution is particularly beneficial for repairs where maintaining the original character of the vehicle is important.

A used element is a good choice for vehicle servicing when a reasonable repair cost is a priority while maintaining compliance with factory specifications. Replacing a damaged switch with a functional equivalent restores full window control functionality without the need to interfere with other door electrical system components.

Professional Installation and Fitment

The switch is intended for installation in place of the factory element, which minimizes adaptation work. In practice, this involves removing the door panel, disconnecting the old module, and connecting the new one to the existing connector. This solution is beneficial for both workshops and users who service their vehicles independently, as it reduces repair time and the risk of installation errors.

By adhering to manufacturer standards in terms of housing geometry and contact layout, the switch works with factory safety and comfort systems, such as window lock or central control from the driver's panel. This is important from the perspective of the reliability of the entire door control system.

If you are planning a comprehensive repair or upgrade of the window and lock control area in your BMW and need other elements from the same group, such as mirror control buttons, door lock modules, or additional window switches, check the available parts in the BMW Switches, Controls, and Ignition Switches category.

During servicing, it is also worth ensuring the efficiency of the braking system – a guide describing how to safely choose discs, calipers, and ABS components will help in selecting used components; detailed tips can be found in the article “Second-hand braking system: how to safely choose discs, calipers, and ABS?”.