BMW E87 Window Lifter Electric Front Left N/S 7138465

BMW E87 Window Regulator Mechanism Front Left 7138465 is an original part from the Doors and Door Panels category, designed for operating the driver's side window. Its precise construction ensures stable window guidance and proper cooperation with the factory BMW door system, which translates into comfort during daily use. A used regulator is a sensible choice for drivers looking for a proven solution at an attractive price, while maintaining compliance with the brand's factory standards.

Specifications and technical data

• SKU: 7138465
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7138465
• Substitutable numbers: 51337138465, 7138465, 7067795, 22113418697, 3418697, 22113332275, 3332275
• Location on the vehicle: Front, Left
• Category: Doors & Door Skins

Intended Use and Fitment for BMW E87

The mechanism is specifically designed for the BMW 1 Series E87 body, intended for the front left side of the vehicle. This means correct positioning of mounting points in the door, appropriate guide geometry, and compatibility with factory window mounting and door hardware. This ensures a streamlined installation process, without the need for modifications or adaptations of universal parts.

Construction and Function of the Window Regulator Mechanism

The window regulator mechanism is responsible for the smooth raising and lowering of the window in the driver's door. The construction is based on a system of guides and cables cooperating with the window and the drive, which ensures:

• stable window guidance within the door plane,
• reduction of play and vibrations during driving,
• proper cooperation with seals and the door frame.

Its original origin from BMW promotes the preservation of factory operating characteristics – both in terms of window movement speed and the overall refinement of the door system.

Benefits of Using an Original Mechanism

Using a dedicated window regulator mechanism in the BMW E87 brings a number of practical benefits for daily vehicle use:

• Proper Door Fitment – mounting points and geometry are consistent with the factory design.
• Reduced risk of window jamming thanks to precisely fitted guides.
• Better cooperation with existing door hardware (lock, seals, upholstery).
• Restoration of full window functionality after the failure of the old mechanism.

For workshops and individual users, this means shorter installation times and a lower risk of operational problems after repair.

Used Condition and Installation Aspects

The offered part is in used condition, which allows for combining the functionality of an original part with a more favorable purchase cost. Before installation, a standard visual inspection and a check of the mechanism's smooth operation are recommended to adapt the installation method to the specific door and window unit.

During installation, it is worth paying attention to:

• correct positioning of the mechanism relative to the mounting holes,
• even tightening of the fixings in the door,
• careful seating of the window in the mechanism's holders.

BMW Doors and Door Panels – Selecting the Right Parts

If you are looking for other parts from the Doors and Door Panels category intended for this brand, check the BMW doors and door panels available in our assortment to select complete repair solutions for your car.

More About Choosing Used Components

When selecting used components, it is advisable to be familiar with the principles of identification by manufacturer numbers and specifications. Practical tips on selecting and installing used modules and sensors can be found in the guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?. Although it primarily concerns electronics, the verification and matching principles described there can also be applied analogously to other vehicle components.