Description
Right-hand front door window regulator with motor for BMW F74 Gran Coupé is an original part from the Window Regulators and Motors group, designed for precise operation in the driver’s or passenger’s outer door. A used component ensures proper integration with the vehicle’s electrical system and stable window guidance, contributing to everyday driving comfort. This is a solution for users seeking a part that is structurally compatible with original BMW equipment.
Specifications and technical data
- SKU: 5A638D8
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 5A638D8
- Substitutable numbers: 5A638D8, 51335A638D8, 5A35982, 5A594D1, 67625A594D1
- Location on the vehicle: Front, Right
- Part type: Window Regulator
- Category: Window Motors & Regulators
Intended Use and Vehicle Placement
The presented window regulator assembly with motor is intended for installation in the front right door of the BMW F series Gran Coupé. Placement on the exterior side of the vehicle (O/S) signifies compatibility with the specific door geometry, guides, and body mounting points, which facilitates installation and reduces the need for additional modifications.
This component belongs to the group responsible for electric window control, therefore its correct operation directly impacts:
- smooth window raising and lowering,
- compatibility with factory control buttons,
- proper window sealing within the door frame.
Technical Characteristics and Compatibility
The window regulator with motor has been designed by BMW as a component compliant with factory installation and safety standards. The construction is based on a dedicated guide system and an electric drive that transfers torque to the window lifting mechanism. This ensures the correct window movement speed and stable guidance throughout its operating range.
The product has an assigned OEM part number and interchangeable numbers, which simplifies selection by manufacturer identifiers and allows verification of compatibility with specific equipment versions. In practice, this means precise vehicle matching based on catalog data or VIN number, without the need for electrical system modifications.
Condition, Functionality, and Service Application
The offered part is in used condition, allowing for economical window system repair while maintaining original BMW construction. This type of part is particularly suitable in situations where:
- mechanical damage to the regulator guides or cables has occurred,
- the regulator motor has stopped responding to commands,
- there are problems with the window stopping at random positions.
Using a complete window regulator assembly with motor reduces service time as it eliminates the need to separate the mechanism and drive. For workshops and individual users, this means simpler installation and a lower risk of errors during door reassembly.
Benefits of Choosing an Original BMW Window Regulator
Choosing an original window regulator with motor for the BMW F Gran Coupé ensures:
- factory fitment to the door structure and mounting points,
- compatibility with the vehicle’s electrical system operating parameters,
- stable window operation without excessive play or vibrations,
- the possibility of using existing wiring harnesses and connectors without modifications.
This makes window system repairs predictable, and the risk of compatibility issues is reduced compared to aftermarket alternatives of uncertain origin.
Related Parts and Technical Knowledge
If you are planning a comprehensive repair or upgrade of the door and window area in your BMW and need other parts from the same group, such as electric window mechanisms, control motors, or window guides, check the available parts in the BMW Window Regulators and Motors category.
When selecting electrical and mechanical components for a vehicle, it is advisable to follow proven OEM identification procedures and real-world cost-effectiveness examples. You can read more about this approach, using powertrain units as an example, in the article Why Buy Used Gearboxes and Engines – Facts Instead of Myths, which clarifies the most important technical and cost-related issues concerning used components.
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