BMW E90 E91 Window Lifter Rear Electric Motor Regulator Left N/S 7075883

BMW E90 E91 Window Lifter Rear Electric Motor Regulator Left N/S is an original component from the Window regulators and motors group, designed for the rear left window in the BMW 3 Series E90/E91 body style. Its precise construction ensures stable window guidance and repeatable, smooth operation in daily use. This solution is dedicated to drivers who expect factory-fit quality and proven functionality.

Specifications and technical data

• SKU: 7075883
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7075883
• Substitutable numbers: 51357140589, 7140589, 7075883
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and fitment for BMW E90/E91

The presented mechanism is designed for installation in the rear left door of the BMW 3 Series E90/E91 generation. The vehicle placement is factory-defined, allowing the component to work seamlessly with the door structure, guides, and glass without the need for modifications. Such a fit reduces the risk of stress, noise, or jamming during window operation.

As a part from the Window regulators and motors group, the lifter is responsible for the proper positioning of the glass in the guides, maintaining it in the set position, and providing stable raising and lowering throughout the full range of motion.

Construction and function of the window mechanism

The window lifter in the BMW E90/E91 operates within the door system, where precise guidance of the glass pane is crucial. The mechanism's construction has been developed to:

• ensure uniform window movement along the entire length of the guides,
• minimize mechanical resistance and load on the drive,
• keep the window in a stable position when closed, without play or vibrations.

A properly selected regulator reduces the risk of overloading the window control system and decreases the likelihood of damage resulting from operation under increased resistance.

Benefits of using an original window lifter

Using a dedicated window mechanism in the rear left door of the BMW E90/E91 brings a number of practical benefits:

• Factory fitment – the element is structurally designed for a specific mounting location, which facilitates installation and reduces the time required for adjustment.
• Stable window operation – a properly functioning lifter reduces the risk of jamming, misalignment, and excessive wear of the seals.
• Operational safety – correct window guidance affects door sealing, visibility, and acoustic comfort inside the vehicle.

This solution is particularly recommended when replacing a worn or damaged mechanism, especially when you want to maintain performance parameters close to factory standards.

Product characteristics and condition

The offered window lifter is a BMW part from the segment of original solutions used in mass production. The product is marked as used, which in practice means it comes from disassembly, and its construction retains the features typical of the factory equipment for this model. This type of component is a good choice when the priority is compatibility with the factory design and maintaining the original window operating characteristics.

BMW window regulators and motors – expansion and service

If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other elements from the same group, such as guides, drives, or complete window mechanisms, check out the available parts in the BMW window regulators and motors category.

Technical support and knowledge about the BMW E90

When performing service work on the BMW 3 Series E90/E91, it is worth knowing the typical weak points of this model to better plan inspections and repairs. Detailed information about critical engine units and potential operating costs can be found in the article: Troublesome BMW E90 engines: check what can ruin your budget!.