BMW E46 Window Lifter Electric Rear Right O/S Door 8212100

BMW E46 Rear Right Door Window Regulator 8212100 is a component from the Window Regulators and Motors category, designed for controlling the window in the rear right door. It enables smooth raising and lowering of the window, restoring full functionality to the electric mechanism in your BMW.

Specifications and technical data

• SKU: 8212100
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8212100
• Substitutable numbers: 8212100, 51358212100, 8200718, 51358200718
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Vehicle Application and Placement

The regulator is designed for installation in the rear right door, ensuring a proper fit with the BMW E46 body structure. Correct placement on the vehicle guarantees proper cooperation with the window guides, door mounts, and electrical system.

Thanks to precise fitting for the specific side and axis of the vehicle, the mechanism operates stably, reducing the risk of jamming, window misalignment, or excessive play during operation.

Technical and Functional Characteristics

The window regulator belongs to the group of window regulators and motors, responsible for the smooth movement of the window between fully open and closed positions. The design intended for BMW allows for:

• maintaining the correct window guide geometry within the door,
• seamless integration with the factory window control switch,
• maintaining appropriate window pressure against the seals when closed.

The component is prepared for integration with the vehicle's original electrical system, which simplifies installation and reduces the need for modifications to the wiring.

Benefits of Using an Original BMW Regulator

Using a regulator specifically designed for the BMW E46 allows for the preservation of the window mechanism's original operating parameters. Key advantages include:

• Structural Compatibility – perfect fit with the door, mounts, and guides as intended by the manufacturer.
• Stable Window Operation – reduced vibrations and noise during driving, as well as during raising and lowering.
• Seamless Electronic Integration – compatibility with factory window system controllers and safety features.

This solution allows for the restoration of comfortable window operation for passengers without altering the door structure or electrical system.

Condition and Application in Vehicle Service

The window regulator is offered as a used genuine BMW part, making it a sensible choice for maintenance repairs where cost-effectiveness is important. It is suitable for both routine repairs and comprehensive door servicing, such as after mechanical damage or window operation issues.

Before installation, a standard inspection of the guides, seals, and the proper functioning of the electrical system is recommended to fully utilize the capabilities of this mechanism.

BMW Window Regulators and Motors – Selecting the Right Parts

If you are looking for other BMW window regulators and motors tailored to specific body types and equipment configurations, explore our dedicated category: BMW Window Regulators and Motors. This will help you more easily select the correct mechanism for other doors or different models of this brand.

Service Knowledge and Fault Prevention

When working with window mechanisms, it is beneficial to be aware of common issues in BMW drive units. Practical information on the failure rates of selected motors, repair costs, and preventative measures can be found in the article: Commonly Failing BMW E90 Motors: Find Out What Can Ruin Your Budget!. This is a useful addition to your knowledge when planning more extensive service work on your car.

If you are preparing your car for the season and planning an inspection of wear-and-tear parts, the guide: Winter Essentials: Which Used Car Parts Are Worth Checking and Replacing Before the Frost? may also be helpful, offering practical checklists and tips for assessing the condition of used components.