BMW E90 E91 Window Glass Lifter Regulation Motor Rear Right O/S 7075884

BMW E90 E91 Window Glass Lifter Regulation Motor Rear Right O/S is an original component from the Window regulators and motors group, designed for the rear right window in the BMW 3 Series E90/E91 body style. It ensures stable window operation, proper guidance, and secure closing, which translates into user comfort and proper cabin sealing.

Specifications and technical data

• SKU: 7075884
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7075884
• Substitutable numbers: 51357140590, 7140590, 7075884
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented mechanism is dedicated to installation in the rear right window area of the BMW E90/E91. It is responsible for the precise raising and lowering of the window, working in conjunction with the factory control system in the door. Thanks to the correct geometry of the guides and the fitment to the door structure, this component minimizes window movement resistance and reduces the risk of jamming.

As a part from the Window regulators and motors group, the mechanism is an essential component of the comfort system – its efficiency affects passenger comfort, proper interior ventilation, and protection against noise and moisture.

Construction and fitment for BMW E90/E91

The mechanism has been designed specifically for the door structure of the BMW 3 Series E90/E91, which ensures:

• factory mounting points to the door panel,
• proper window guidance in the vertical plane,
• compatibility with the original window motor (if provided in the given configuration),
• compliance with factory seals and window frame.

Such fitment reduces the need for modifications and allows for installation in accordance with BMW service procedures, which is particularly important for maintaining the correct window geometry relative to the bodywork.

Condition, origin, and benefits of choosing OEM parts

The offered mechanism is a BMW aftermarket component, sourced from dismantling. Choosing an original OEM part in this group of components is beneficial for several reasons:

• maintaining factory window operating parameters (speed, smoothness of movement),
• secure fitment with the door structure without additional adjustments beyond the standard procedure,
• compatibility with factory wiring and comfort control systems.

For workshops and individual users, this means predictable installation and a lower risk of operational problems compared to generic replacements.

Practical installation and maintenance tips

When replacing the window regulator mechanism in a BMW E90/E91, it is worth paying attention to a few technical aspects:

• checking the condition of the window guides and door seals,
• correct positioning of the window in the guides after installation,
• verifying operation through the full range of motion before final closure of the door panel.

Careful installation allows you to fully utilize the advantages of the original mechanism and reduces the risk of needing to re-open the door in the near future.

Expansion of the window system and related components

If you are planning a comprehensive repair or upgrade of the side window area in your BMW and need other elements from the same group, such as additional mechanisms, window motors, or window guide components, check out the available parts in the BMW Window regulators and motors category.

To better plan your car service budget, especially for the 3 Series E90, it is worth familiarizing yourself with typical engine problems and their impact on maintenance costs – you can find practical information in the article Faulty BMW E90 engines: check what can ruin your budget!.