ACI 384886 Window Regulator - Rear Left

Reliable Rear Left Power Window Regulator for BMW Models

The ACI Window Regulator 384886 is designed specifically for the rear left door of select BMW vehicles. This new power window regulator meets or exceeds OEM standards, ensuring dependable window operation for your BMW 325i, 328i, 330i, 335i, M3, and related models.

• Compatible with BMW 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, 335d, 335i, 335i xDrive, 335xi, and M3
• Rear left mounting position
• Power window operation type
• New part, not remanufactured
• Mounting hardware and motor not included
• Meets or exceeds OEM quality standards

About the ACI Window Regulator Product Line

The ACI Window Regulator line focuses on delivering precise fit and reliable performance for power window systems. This product line includes regulators engineered to match OEM specifications, providing consistent window movement and durability. The 384886 part is part of this line, designed to restore proper window function on compatible BMW rear left doors without including the motor or mounting hardware.

Detailed Product Description

This ACI power window regulator 384886 is a direct replacement for the rear left window regulator on various BMW models, including the 3 Series and M3 variants. It is a new component that meets or exceeds original equipment manufacturer standards, ensuring smooth and reliable window operation. Please note that this part does not include the motor or mounting hardware, so those components must be reused or purchased separately. The regulator is designed for power window systems and is engineered to fit precisely in the rear left door assembly.

Common Issues Addressed by This Window Regulator

• Window stuck in the up or down position
• Intermittent or slow window movement
• Grinding or unusual noises when operating the window
• Window falling inside the door panel
• Failure of the rear left power window to respond

Installation Notes and Tips

• Ensure compatibility with your specific BMW model and year before installation
• Reuse existing motor and mounting hardware or acquire separately as they are not included
• Disconnect the vehicle battery before beginning installation to avoid electrical issues
• Handle the regulator carefully to avoid damaging the window glass or door panel
• Test window operation after installation to confirm proper function

Quality Assurance and Warranty

The ACI Window Regulator 384886 is a new part that meets or exceeds OEM quality standards, providing reliable performance for your BMW vehicle. While mounting hardware and motor are not included, the regulator itself is manufactured to strict quality controls. Please refer to the product packaging or manufacturer documentation for specific warranty details.