WAI 389086 Window Motor and Regulator Assembly - Front Left

Window Motor and Regulator Assembly

Restore smooth power window operation with this WAI window motor and regulator assembly, part number 389086. It is built for front left applications and matches the fitment needed for select BMW 5 Series and M5 models.

Key Features

• Complete window motor and regulator assembly for direct replacement service.
• Fits front left applications on select BMW 525i, 530i, 540i, 525iT, 535i, and M5 models.
• Supports consistent glass movement when the original regulator or motor has worn out.
• WAI replacement part number 389086 for easy identification.

Detailed Description

This WAI 389086 window motor and regulator assembly is a practical replacement for vehicles with slow, noisy, or inoperative power window operation. It is listed for 1989-1995 BMW 525i, 1994-1995 BMW 530i, 1994-1995 BMW 540i, 1993 BMW 525iT, 1989-1993 BMW 535i, and 1991-1993 BMW M5 in the front left position. For BMW 5 Series and M5 owners, this assembly provides a focused fitment match for restoring normal window function without changing the intended application.

What It Is Used For

• Fixing a window that will not raise or lower properly.
• Replacing a worn motor or regulator assembly with a matching unit.
• Addressing grinding, binding, or intermittent window movement.
• Restoring reliable power window operation after component wear.

Installation Notes and Tips

Verify the vehicle year, model, and front left application before ordering. Compare the original part number 389086 and the existing regulator layout to confirm the correct match. Professional installation is recommended for proper alignment and smooth operation.

Quality Assurance

WAI manufactures replacement electrical and body components for automotive service applications. Part number 389086 is cataloged for the listed BMW fitments to support accurate replacement selection.