BMW G30 G31 Window Rear Left Lifter Regulator Mechanism Carrier Motor 7487087

BMW G30 G31 Window Regulator Mechanism Left Rear is an original part from the Window Regulators and Motors category, designed for precise operation in the rear left body window. It ensures stable window guidance, proper power transfer, and consistent, smooth operation of the lifting system, which translates to user comfort and correct window closing in your BMW.

Specifications and technical data

• SKU: 7487087
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7487087
• Substitutable numbers: 7487087, 51337487087, 7455083, 51357455083
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and Function in the Vehicle

The window regulator is installed in the rear left part of the body and is responsible for the mechanical movement of the window within its guides. The component works with the window control system, ensuring:

• controlled raising and lowering of the window in the rear driver's side door,
• stable glass panel guidance without excessive play,
• correct operating geometry of the mechanism in the BMW 5 Series G30/G31 doors.

Thanks to its proper fit to the door structure, the mechanism reduces the risk of jamming, uneven window movement, or improper closing, which is important for both driving comfort and cabin sealing.

Construction and Fit for BMW G30/G31

The regulator has been specifically designed for the BMW 5 Series G30/G31 platform, maintaining factory mounting points and arm geometry. This means that:

• it fits the original mounting holes in the doors,
• it works with the factory window control system,
• it maintains the correct angle and range of vertical window movement.

As a part from the Window Regulators and Motors group, the mechanism is prepared for operation in demanding conditions typical for daily vehicle use – frequent opening and closing cycles, and variable temperatures.

Condition, Origin, and Technical Aspects

The offered regulator is a used part, sourced from disassembly, which allows for maintaining the factory fit for a specific BMW generation. Such components retain their original construction and operating parameters, while also offering a cost-effective alternative to new components.

The mechanism has an assigned OEM number and interchangeable numbers, which facilitates compatibility verification with a specific vehicle configuration. When selecting, it is advisable to refer to the manufacturer's markings and the vehicle's location to ensure full compatibility with the rear left door.

Benefits of Using an Original Window Regulator

Using an original mechanism in the BMW G30/G31 translates to a number of practical benefits:

• Factory Fit – no need for modifications, drilling additional holes, or altering the installation.
• Stable Window Operation – reduced vibrations and tilting, which lessens the load on seals and guides.
• Consistency with Other Door Components – maintaining the correct window position relative to the frame and body.
• Economical Choice – a used part allows for reduced repair costs while maintaining original specifications.

Part Selection and Additional Technical Resources

To precisely select the regulator for a specific BMW model, it is advisable to use the OEM number or interchangeable numbers, along with vehicle data. If you have doubts regarding the interpretation of markings, selection procedures based on identifiers, or general principles for purchasing used parts, an expert guide will be helpful – Why Buying Used Gearboxes and Engines is Worth It – Facts Instead of Myths, which discusses a practical approach to verifying used parts and working with catalog numbers.

If you are upgrading the window system in your BMW 5 Series G30/G31 and are also interested in other components responsible for the control and drive of side windows in this brand, check out the available parts in the BMW Window Regulators and Motors category.