BMW X3 F25 X4 F26 Window Lifter Front Door Right O/S Regulator Mechanism 7355636

BMW X3 F25 X4 F26 Window Lifter Front Door Right O/S Regulator Mechanism is an original component from the Window regulators and motors group, designed for precise operation in the front right door. It ensures stable window guidance, proper support, and smooth movement under typical operating conditions of BMW X3 F25 and X4 F26 models. This is a solution for users who expect factory-fit and correct compatibility with the factory window control system.

Specifications and technical data

• SKU: 7355636
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7355636
• Substitutable numbers: 7355636, 51337355636, 7322748, 67627322748
• Location on the vehicle: Front, Right
• Category: Window Motors & Regulators

Purpose and fitment for BMW X3 F25 / X4 F26

The mechanism has been designed to work in the front right door, taking into account the geometry of the guides, mounting points, and the operating characteristics of the window in BMW X3 F25 and BMW X4 F26 bodies. This ensures:

• correct window position relative to the seals and door frame,
• appropriate system rigidity during raising and lowering,
• compatibility with the factory window control motor,
• consistency with the original comfort window control system.

Such fitment reduces the risk of improper window closing, excessive play, or noise while driving.

Construction and function of the window lifter mechanism

The window lifter mechanism is responsible for transferring drive from the motor to the window and guiding it stably in a vertical direction. In practice, this means that this component:

• holds the window in the set position without dropping,
• ensures uniform movement throughout the entire operating stroke,
• works with factory mounting points in the door,
• is adapted to loads typical for daily use.

Thanks to a design consistent with BMW solutions, the mechanism works with factory limiters, guides, and window mounting elements, which translates into predictable system behavior over time.

Benefits of using an original mechanism

Using a window lifter mechanism dedicated to specific BMW models brings a number of practical benefits. Among the most important are:

• factory fit to the body – no need to modify mounts or guides,
• consistency with the original window control system,
• preservation of the correct window operating geometry, which reduces seal wear,
• the ability to restore proper window operation after a mechanical failure of the old lifter.

This solution is particularly beneficial for post-accident repairs or after operational wear, when the goal is to restore functionality in accordance with factory specifications.

Characteristics of the used product

The offered mechanism comes from the secondary market, which allows for economical repair while maintaining the original BMW design. A used component is a good solution when the priority is to combine reasonable costs with the factory design of the part. Before installation, it is recommended to perform a standard verification of the working condition and correct operation across the full range of window movement.

BMW window regulators and motors – expansion and door zone service

If you are planning a comprehensive repair or upgrade of the door zone in your BMW and need other components from the same group, such as window guides, control motors, or additional lifter mechanisms, check the available parts in the BMW window regulators and motors category.

Technical support and knowledge about BMW operation

When working on door systems and window electronics, it is worth knowing the typical weak points of individual BMW series to better plan the service of the entire car. In the context of operating the brand, material describing critical power units, their typical failures, and repair costs may be helpful – you can find it in the article Emergency BMW E90 engines: check what can ruin your budget!, which allows you to better plan long-term car maintenance.