BMW F44 Gran Coupe Window Lifter Regulator Motor Front Door Right O/S 4876388

BMW F44 Gran Coupe Window Lifter Regulator Motor Front Door Right O/S is an original component from the Window regulators and motors group, designed for installation on the passenger side. It ensures stable operation of the window lifting mechanism, maintaining proper glass guidance geometry and correct electrical control functionality. This is a practical solution for users who expect a smooth, factory-fitted window opening and closing system in their BMW.

Specifications and technical data

• SKU: 4876388
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 4876388
• Substitutable numbers: 4876388, 51334876388, 9854230, 61359854230
• Location on the vehicle: Front, Right
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented component combines the function of window guidance and an electric drive, responsible for the smooth raising and lowering of the window in the front right door of the BMW F44 Gran Coupe. Its placement in the front passenger side zone allows for direct integration with the factory window controls, maintaining the original logic of button operation and safety features.

Thanks to a design tailored to the specific Gran Coupe body model, the mechanism works with factory guides, seals, and the window itself, which reduces the risk of jamming, excessive play, or improper closing. This is particularly important in daily operation, where the repeatability of window movement and proper sealing against weatherstripping are essential.

Benefits of using an original window regulator

Using an original regulator with a motor in the BMW F44 Gran Coupe translates into several practical advantages:

• maintaining the factory window operating characteristics – movement speed, stopping torque, and response to buttons,
• proper fit to the door structure, without the need for modifications to mounts or wiring,
• consistency with the comfort window control system and safety functions.

For the user, this means stable system operation in the long term and a lower risk of needing additional adjustments after installation. The BMW F44 Gran Coupe Window Lifter Regulator Motor Front Door Right O/S is a key element of door operation comfort, influencing both convenience and the protection of the interior against noise and external factors.

Installation and operational characteristics

The element is designed for installation in the front right door, which simplifies the identification of the correct side of the vehicle during repair planning. The design intended for this specific BMW model allows for installation in place of the factory component, using original mounting points and the existing electrical installation.

As a part from the Window regulators and motors category, the subassembly works with other door system elements – guides, glass, seals, and the control module – creating a cohesive system responsible for comfortable window operation. The used nature of the product makes it a cost-effective solution while maintaining the original BMW construction specification.

Selecting the right component and vehicle integration

To ensure proper system operation, it is essential to match the window regulator with the motor to the specific body version and installation side. In this case, we are dealing with a configuration dedicated to the front right side, which eliminates typical problems associated with the incorrect selection of universal parts. Proper fitment translates into:

• correct positioning of the window in the door frame,
• stable cooperation with the sealing,
• maintenance of the factory range of motion.

Thanks to this, after replacement, you can expect predictable mechanism operation without the need for additional modifications or compromises in terms of user comfort.

Service expansion and technical knowledge

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

When planning service work on vehicles of this brand, it is also worth considering the general condition of the engine unit and potential operating costs. A practical guide regarding problematic engines, available in the article Troublesome BMW E90 engines: check what can ruin your budget!, may be helpful, allowing you to better plan your vehicle maintenance budget and approach further repairs consciously.