BMW X3 F25 X4 F26 Window Lifter Regulator Mechanism Front Left N/S Door 7355635

The BMW X3 F25 X4 F26 Window Regulator Mechanism Left Front Door is an original part from the Window Regulators and Motors category, designed for precise operation in the front left door. It ensures stable window guidance, proper power transmission, and correct integration with the factory BMW electrical system. This is a solution for users who expect smooth window operation without unwanted play or jamming.

Specifications and technical data

• SKU: 7355635
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7355635
• Substitutable numbers: 51337355635, 7355635
• Location on the vehicle: Front, Left
• Category: Window Motors & Regulators

Intended Use and Fitment for BMW X3 F25 / X4 F26

The mechanism has been specifically designed for BMW X3 F25 and BMW X4 F26 models, taking into account the door geometry, guides, and factory mounting points. Its placement on the vehicle is the front left side, which guarantees proper alignment with the driver's door structure and correct cooperation with the original glazing.

Thanks to the use of a solution compliant with factory BMW standards, correct window operation is maintained throughout its full range of movement – from fully closed to fully open. The mechanism works with the factory lift motor and control system, which facilitates installation and reduces the risk of operational issues.

Construction and Operating Characteristics of the Mechanism

The window regulator mechanism is responsible for transferring torque from the drive to the linear movement of the window in the guides. The design intended for BMW X3 F25 and X4 F26 ensures:

• stable vertical window guidance,
• even load distribution on supporting elements,
• adequate system rigidity during frequent use,
• compatibility with factory mounting points in the door.

A system configured in this way minimizes the risk of window misalignment, excessive play, or noise during raising and lowering. The use of an original BMW solution allows for the preservation of factory operating standards and predictable window behavior under all conditions.

Condition, Application, and Benefits of Replacement

The offered mechanism comes from the BMW Window Regulators and Motors group and is a used part, making it an attractive cost alternative to new parts while maintaining structural compatibility. It is particularly suitable for situations where the existing regulator has suffered mechanical damage, operational wear, or causes problems with smooth window movement.

Replacing the window regulator mechanism in the front left door allows you to:

• restore full functionality to the driver's window control,
• reduce the risk of further damage to upholstery and seals,
• increase the comfort of daily vehicle operation,
• maintain compatibility with factory BMW solutions.

BMW Window Regulators and Motors – Selecting the Right Parts

If you are looking for other BMW Window Regulators and Motors compatible with your model, use the dedicated category in our store. Check available BMW window regulators and motors to select the correct mechanism or drive for other doors in your car.

Technical Support and Knowledge about BMW Operation

When planning repairs for a BMW, it is worth considering not only body parts but also the specifics of the powertrains and common faults. For users interested in a broader perspective on maintenance costs and potential failures, we have prepared a guide – check out the article Troublesome BMW E90 Engines: Find Out What Can Ruin Your Budget! to better plan your car's service.