BMW X3 E83 LCi Rear Door Window Lifter Left N/S 6925965

BMW X3 E83 LCi Rear Door Window Lifter Left N/S is an original component designed for operating the electric window lift in the rear left section of the vehicle body. It ensures stable operation of the mechanism, proper window guidance, and repeatable, predictable response to signals from the electrical system. Thanks to the preservation of the factory design, this is a particularly beneficial solution for users who value consistency with the original door system and proper cooperation with the vehicle's electronics.

Specifications and technical data

• SKU: 6925965-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6925965
• Substitutable numbers: 51353448251, 3448251, 67626925965, 6925965, 51353413189, 3413189
• Location on the vehicle: Rear, Left
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function in the vehicle

The presented motor with window lifter mechanism is dedicated to the rear left window in the BMW X3 E83 facelift (LCI) model. It is responsible for driving and guiding the window in the tracks, as well as keeping it in a stable position while driving. Its placement in the rear door area on the driver's side means that this component has a direct impact on the comfort of rear-seat passengers and the daily functionality of the vehicle.

Thanks to a design consistent with BMW factory standards, the motor works with the electrical system and window controls without the need for wiring modifications or additional adapters. This is a solution that allows you to maintain the original operating characteristics of the window lifter and reduce the risk of fitment issues.

Construction, compatibility, and mounting parameters

The window lifter mechanism integrated with the motor is designed as a complete unit mounted in the inner part of the door. The use of original mounting geometry facilitates correct positioning relative to the door panel and the window, which translates into smooth guidance and even load distribution during operation.

In practice, this means that factory mounting points and existing electrical connections can be used during replacement. For the user and the mechanic, this is important from the point of view of:

• reducing assembly time,
• limiting the need for wiring modifications,
• maintaining proper window positioning in the door frame.

Placement on the vehicle as rear – left side eliminates doubts regarding the application and allows for the unambiguous assignment of the component to a specific position in the bodywork.

Performance characteristics and application benefits

Using an original motor with a window lifter mechanism in the BMW X3 E83 LCi allows you to restore proper window operation after a failure, seizure, or mechanical damage to the previous component. A properly selected lifter reduces the risk of:

• the window jamming in extreme positions,
• excessive play leading to noise while driving,
• overloading the electrical system due to incorrect movement resistance.

For the vehicle owner, this means more predictable operation and maintaining window comfort at a level close to the factory standard. Choosing a component from the BMW group is particularly beneficial where compliance with service documentation and procedures used in authorized service centers is important.

Condition, verification, and service application

The offered component is in used condition, which allows for economical repair while maintaining the original design. Such subassemblies are frequently used in workshops specializing in the BMW brand, where both the cost of repair and the fitment to a specific body version and model year are important. The motor with the window lifter mechanism can be used both for a typical replacement of a damaged component and for comprehensive door renovation after a collision or bodywork intervention.

Thanks to the presence of the OEM part number and interchangeable numbers in the technical specification, precise identification of compatibility with a specific vehicle configuration is possible. This facilitates the selection of the correct subassembly based on BMW catalogs and diagnostic tools used in service centers.

System expansion and selection of related components

If you are planning a comprehensive repair or upgrade of the rear left door zone in your BMW and need other components from the same group, such as window guides, seals, or upholstery fasteners, check the available parts in the Other BMW category.

For more extensive service or tuning projects, it is also worth paying attention to the design differences between individual model lines and engine versions. In this context, an article discussing the characteristics of sports variants of one of the leading premium brands may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?. It allows for a better understanding of how manufacturers approach the design of powertrains and suspension, which can be useful when planning more advanced modifications to the entire vehicle.