BMW X3 F25 Window Lifter Rear Left N/S Motor Regulator Lifter Control 7258535

BMW X3 F25 Window Lifter Rear Left N/S Motor Regulator Lifter Control is an original component from the Window regulators and motors group, designed for the rear left window of the BMW X3 F25 body. It ensures stable window guidance, proper power transmission, and consistent operation of the entire lifting system, which translates into comfort and safety of vehicle use.

Specifications and technical data

• SKU: 7258535-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7258535
• Substitutable numbers: 7258535, 67627258535, 7382138, 51357382138, 7205854, 51357205854, 7267103, 51357267103, 7267104, 51357267104, 7205853, 51357205853, 7329332, 51357329332, 7258536, 67627258536, 7329331, 51357329331, KD
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The window lifter mechanism is responsible for the precise guidance of the window in the rear left door, maintaining its correct geometry relative to the door frame. A properly selected component eliminates issues with window jamming, uneven movement, or excessive play in the guides. In the case of the BMW X3 F25, using a dedicated solution allows for maintaining factory operating parameters and compatibility with the original window motor.

Advantages of using an original mechanism

Using an original mechanism in the BMW X3 F25 allows for maintaining the structural integrity of the door and the proper fit of the window against the seals. This translates into:

• stable window movement throughout the full opening and closing range,
• reduction of wind noise and vibrations while driving,
• proper cooperation with the factory window control system,
• reduced risk of overloading the window motor.

Thanks to maintaining the factory design of the system, installation is predictable, without the need for modifying mounts or interfering with the door structure. This solution is particularly beneficial for post-accident repairs or replacing worn-out consumables.

Vehicle placement and installation aspects

The mechanism is designed for installation in the rear left part of the body, which is important both when selecting parts and when planning service work. Proper matching to the specific side of the vehicle minimizes the risk of incorrect installation and speeds up the repair process. The component works with the factory mounting system in the door, which facilitates its replacement in workshop conditions.

During installation, it is recommended to follow the door trim removal sequence and check the condition of the guides and window seals. A properly installed mechanism ensures even load distribution along the entire length of the window, which reduces its wear and the risk of cracks resulting from improper guidance.

Characteristics of the used product

The offered mechanism comes from the used parts segment, which allows for economical repair while maintaining the original BMW design. This type of solution is particularly beneficial for vehicles used on a daily basis, where a reasonable balance between repair cost and maintaining factory specifications is important. Choosing an original component from the secondary market reduces the risk of problems typical of cheap replacements, such as inaccurate fitment or accelerated wear.

Part selection by numbers and technical support

Mechanisms from the Window regulators and motors group may come in several design variants, which is why it is recommended to verify compatibility by OEM number or interchangeable numbers as well as vehicle data when selecting. Proper matching eliminates the risk of incompatibility with the electrical system and door mounts. If you are planning a more extensive window system repair, it is worth considering a parallel check of the condition of other mechanisms and door seals.

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

More on the cost-effectiveness of used components

When choosing elements such as window lifter mechanisms, many users consider the difference between new replacements and used parts. In the context of repair costs and durability, it is worth relying on reliable data rather than common opinions. A detailed discussion of the advantages and limitations of secondary market solutions, along with selection procedures by number and cost calculation examples, can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths.

If you are interested in a broader approach to sourcing components – from large drivetrain elements to small mounting components – the guide describing the strategy of purchasing in one place may also be helpful, available at the link Comprehensive supply: From the engine to the smallest clip – how to complete used car parts in one place?.