WAI 381412 Window Regulator - Rear Left

Window Regulator for BMW X3

This WAI window regulator, part number 381412, is built for direct replacement use on the rear left side of compatible BMW X3 applications. It is a fitment-specific body component for restoring proper window movement when the original regulator is worn or no longer operates correctly.

Key Features

• Fits 2013-2017 BMW X3, rear left.
• Power window regulator application for the rear left door.
• Body replacement part for restoring window travel and control.
• WAI part number 381412 for easy identification.

Detailed Description

Part number 381412 is a WAI window regulator made for BMW X3 models from 2013 through 2017 in the rear left position. This component is used in the door assembly to guide the window glass through its travel path and maintain consistent operation. For buyers searching for a BMW X3 rear left window regulator or a 2013-2017 BMW X3 power window regulator, this part provides a direct-fit replacement reference.

WAI 381412 is a practical choice when the original regulator has failed, become noisy, or no longer moves the glass smoothly. It is listed specifically for the rear left location, so fitment should be matched to the vehicle’s door configuration before ordering. The part number 381412 should also be used when confirming application details for BMW X3 replacement needs.

What This Part Helps Solve

• Window glass that will not raise or lower properly.
• Slow, uneven, or noisy window movement.
• Regulator wear that causes binding or loss of control.
• Failure of the power window mechanism in the rear left door.

Installation Notes and Tips

Confirm the rear left door application and compare the original regulator layout before installation. Match the connector style, mounting points, and door configuration to the removed part to ensure correct fitment on the BMW X3. Professional installation is recommended for door trim removal and window alignment.

Quality Assurance

WAI supplies replacement automotive components for fitment-specific applications, and part number 381412 is cataloged for the stated BMW X3 use case. Verify the vehicle year, model, and rear left position against the listing before installation.