ACI 389086 Power Window Motor and Regulator Assembly - Front Left

Reliable Window Motor and Regulator Assembly for BMW Models

The ACI Window Motor and Regulator Assembly (Part Number 389086) is designed to restore smooth power window operation in select BMW vehicles. This new power window motor and regulator assembly meets or exceeds OEM standards, ensuring dependable performance for your BMW 525i, 525iT, 530i, 535i, 540i, and M5 models.

Key Features of the ACI Window Motor Assembly

• New power window motor and regulator assembly for precise window control
• Meets or exceeds original equipment manufacturer (OEM) specifications
• Compatible with BMW 525i, 525iT, 530i, 535i, 540i, and M5 models
• Part Number 389086 ensures exact fit and function
• Part of the ACI Window Assembly product line, focused on quality glass and window components

About the ACI Window Assembly Product Line

The ACI Window Assembly line specializes in electrical and mechanical components related to automotive glass and windows. This product line includes window motors, regulators, and complete assemblies engineered to provide reliable operation and fitment. The 389086 window motor and regulator assembly is a part of this line, offering a direct replacement solution for BMW vehicles requiring power window repair.

Detailed Product Description

This window motor and regulator assembly is a power-operated unit designed to replace faulty or worn components in BMW 525i, 525iT, 530i, 535i, 540i, and M5 models. The assembly combines both the motor and regulator in one unit, simplifying installation and ensuring synchronized operation. Being a new part, it provides consistent power window movement and restores factory functionality. The assembly is engineered to meet or exceed OEM standards, which helps maintain the original performance and reliability of your vehicle’s window system.

Common Issues Addressed by This Window Motor Assembly

• Power window failing to move or moving intermittently
• Slow or uneven window operation
• Window stuck in the up or down position
• Grinding or unusual noises during window movement
• Complete failure of the window regulator mechanism

Installation Notes and Tips

• Ensure vehicle compatibility with BMW 525i, 525iT, 530i, 535i, 540i, and M5 models before installation
• Disconnect the vehicle battery prior to installation to prevent electrical shorts
• Carefully remove the door panel to access the existing window motor and regulator assembly
• Follow manufacturer torque specifications when securing the new assembly
• Test window operation before reassembling the door panel to confirm proper installation

Quality Assurance and Warranty

The ACI 389086 window motor and regulator assembly is manufactured to meet or exceed OEM quality standards, ensuring reliable performance and durability. This new assembly undergoes quality control inspections to verify fit and function. Warranty coverage details should be confirmed with the distributor or installer, as they may vary.