BMW E39 Window Regulator Lifter With Motor Rear Left N/S Door 8159835

BMW E39 Window Regulator Lifter With Motor Rear Left N/S Door is a component from the Window regulators and motors group, designed for operating the rear left window in the BMW 5 Series E39 body. It ensures stable window guidance and proper cooperation with the electric control system, which translates into comfort and safety during daily use.

Specifications and technical data

• SKU: 8159835
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7349511
• Substitutable numbers: 51358159835, 8159835
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented actuator is designed for installation in the rear left window area, where it is responsible for the smooth raising and lowering of the window in the door. As a component of the system responsible for comfortable window operation, it works with the vehicle's electrical installation and control switches in the cabin.

Thanks to the correct geometry and fitment to the BMW door construction, the mechanism ensures:

• stable window guidance in the tracks,
• repeatable operation throughout the full range of motion,
• proper cooperation with the control motor,
• maintenance of tightness and proper pressure of the window against the seals.

Benefits of using an original BMW solution

The actuator from this group is structurally matched to the specific construction of the BMW E39 door, which allows for maintaining the factory operating parameters of the window system. The use of a dedicated mechanism reduces the risk of improper fitment, excessive play, or the window jamming during movement.

Key advantages include, among others:

• compatibility with the factory window control system,
• preservation of the operating characteristics intended by the manufacturer,
• easier diagnostics in case of potential faults,
• possibility of direct replacement for a worn-out component.

Installation and operational characteristics

The mechanism is intended for installation in the rear left part of the body, within the passenger door. The design provides for cooperation with factory mounting points and the standard electrical harness, which facilitates installation and limits the need for additional modifications.

When replacing, it is worth paying attention to:

• correct positioning of the window in the tracks after installation,
• condition of door seals and tracks,
• checking the window operation in the full range after reassembling the upholstery.

Such an approach allows for restoring the proper functionality of the window system and minimizing the risk of repeated intervention in a short time.

BMW Window regulators and motors – expansion and service

If you are planning a comprehensive repair or upgrade of the door and window area in your BMW and need other components from the same group, such as regulator mechanisms, control motors, or window tracks, check the available parts in the BMW Window regulators and motors category.

Part selection by OEM number and technical support

To ensure that the selected window regulator actuator will be properly matched to a specific version of the BMW E39, it is worth verifying compatibility by OEM number or interchangeable numbers and comparing the placement on the vehicle. A practical guide describing step-by-step how to use manufacturer markings and vehicle data may be helpful – you will find it in the article Guide: how to choose the right car part by VIN and OEM number.

For users interested in a broader context of operating BMW models and potential costs of servicing powertrains, information contained in the material Emergency BMW E90 engines: check what can ruin your budget! may also be useful, which shows how a conscious approach to part selection affects long-term car maintenance costs.