BMW E61 E91 Rear Tailgate Window Lock Release Catch Motor 8218849

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E61 E91 Rear Tailgate Window Lock Release Catch Motor is an original component from the Locks and Latches group, designed for the rear section of the vehicle body. It ensures the secure closing of the tailgate window, stabilizing its position and supporting the proper operation of the opening and closing mechanism.

Specifications and technical data

• SKU: 8218849
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 51248218849
• Substitutable numbers: 51247840623, 7840623, 51248218849, 8218849, 51248261709, 8261709
• Location on the vehicle: Rear
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The presented lock is dedicated to installation in the rear body zone, where it is responsible for locking the tailgate window. Its tasks include:

• maintaining the window in a stable position after closing,
• cooperating with the opening mechanism, actuators, and body electronics,
• reducing play and unwanted vibrations within the tailgate area.

Thanks to a design consistent with BMW factory standards, the lock works with original guides, hinges, and seals, which translates into predictable tailgate behavior during daily use.

Construction and fitment for BMW

As a component from the Locks and Latches group, the tailgate window lock has been designed to fit the factory mounting points in the BMW body. The properly shaped housing and arrangement of the catches allow for installation without structural modifications, which is particularly important during post-accident repairs or the replacement of worn components.

This solution allows for maintaining the consistency of the entire tailgate system – from hinges and actuators to the locking mechanism. Proper fitment of the component reduces the risk of leaks and problems with closing the window.

Practical application and benefits of installation

The installation of this lock is particularly recommended in situations where there are problems with closing the window, insecure holding of the tailgate, or instability of the mechanism. Replacing a worn element with an original one from the same construction group allows you to:

• restore proper locking of the tailgate window,
• reduce noise and vibrations coming from the rear of the vehicle,
• increase the comfort of using the tailgate in daily operation.

The used nature of the part makes it an economical solution that is technically matched to the specifics of the BMW models for which it was intended.

Integration with other body components

The lock works with other tailgate components, creating a cohesive system responsible for opening, closing, and maintaining the window in the set position. A properly selected element minimizes the risk of overloading the hinges and actuators, which can positively affect the durability of the entire tailgate assembly.

Proper mechanical and functional integration is important not only for comfort but also for the safety of transported luggage, limiting the possibility of accidental window opening while driving.

If you are planning a comprehensive repair or upgrade of the rear zone in your BMW and need other elements from the same group, such as locking mechanisms, catches, or tailgate actuators, check the available parts in the BMW Locks and Latches category.

Additional information and technical advice

When selecting a tailgate window lock, it is worth paying attention to compatibility with the specific body version and tailgate configuration. Comparing the shape of the housing and mounting points with the currently installed element can be helpful, making it easier to assess compatibility before installation.

If you are interested in a broader context of using used components for vehicle modernization, practical tips and inspiration can be found in the article The best used parts for tuning your car, which discusses the possibilities of conscious component selection during vehicle expansion and modifications.