BMW E83 Front Door Electric Window Lifter Regulator Motor Left N/S 6925963

BMW X3 E83 Window Regulator Motor Left Front is an original part from the Window Regulators and Motors category, designed for controlling the driver's window in the first generation BMW X3. It ensures stable operation of the regulator, proper window guidance, and correct compatibility with the vehicle's factory electrical system.

Specifications and technical data

• SKU: 6925963
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6925963
• Substitutable numbers: 67626925963, 6925963, 51333402211, 3402211, 51333330997, 3330997, 51333448249, 3448249
• Location on the vehicle: Front, Left
• Category: Window Motors & Regulators

Application and Function in BMW X3 E83

The presented mechanism with motor is responsible for the electric lifting and lowering of the driver's side window in the BMW X3 E83. It is a component mounted on the front left door, working with the factory window switch and comfort modules, which allows for the preservation of the vehicle's original functionality.

Thanks to the use of the correct mechanism from this series, the following are maintained:

• correct window guidance geometry within the door,
• appropriate regulator operating speed,
• compatibility with BMW factory wiring,
• stable cooperation with the comfort window control system.

BMW Window Regulators and Motors – Fit and Compatibility

The part belongs to the Window Regulators and Motors group, meaning it is designed to operate in the demanding environment of car doors – considering mechanical loads, temperature changes, and humidity. Using an original BMW solution minimizes the risk of installation problems and eliminates the need for electrical modifications.

If you are looking for other BMW Window Regulators and Motors, check out the BMW window regulators and motors available in our store to select a part that perfectly matches your car's specific equipment version.

Condition, Verification, and Quality Control

The offered mechanism is a used part, sourced from dismantling, which allows for a favorable cost-to-quality ratio while maintaining original BMW specifications. Each unit undergoes operational checks for motor function and mechanism smoothness to reduce the risk of window jamming or uneven movement.

The use of tested, used OEM components is particularly beneficial for moving parts like window regulators, where proper fit with the door structure and compliance with factory mounting points are crucial.

Benefits of Using an Original Mechanism with Motor

Choosing such a solution for the BMW X3 E83 offers a range of practical advantages:

• Replication of factory window operation – maintaining the original movement characteristics and lifting speed.
• No need for installation adaptation – connectors and mountings are compliant with BMW factory standards.
• Better fit to the door structure compared to universal aftermarket parts.
• Possibility of economical repair of the window system while maintaining original manufacturing quality.

How to Choose the Right Window Regulator Mechanism

To ensure the selected mechanism is suitable for your BMW X3 E83, it is advisable to verify compatibility by OEM number or interchangeable numbers and compare its placement on the vehicle (front, left side). If in doubt, it may be helpful to consult a guide on selecting parts by identification numbers – detailed instructions can be found in the article How to Choose the Right Car Part by VIN and OEM Number.

If you are interested in a broader context of using used components in cars, including cost differences and practical aspects of operation, it is worth reading the expert material Why Buy Used Gearboxes and Engines – Facts Instead of Myths, which discusses key arguments for making informed choices about parts from the secondary market.