ACI 84804 Window Regulator - Rear Left

Reliable Power Window Regulator for BMW Rear Left Door

The ACI Window Regulator part number 84804 is designed specifically for the rear left door of select BMW models. This power window regulator ensures smooth and consistent window operation, meeting or exceeding OEM standards for quality and fitment.

• Compatible with BMW 525i, 528i, 528i xDrive, 528xi, 530i, 535i, 535i GT, 535i xDrive, 535xi, 545i, 550i, 550i GT, 550i GT xDrive, and M5 models
• Rear left mounting position for precise fit
• Power window operation type for seamless control
• New part that meets or exceeds OEM specifications
• Mounting hardware and motor not included

About the ACI Window Regulator Product Line

The ACI Window Regulator line focuses on delivering reliable window control components tailored to specific vehicle applications. This product line emphasizes OEM compatibility and durability, providing replacement window regulators that maintain factory performance. The 84804 model is part of this line, engineered to fit the rear left door of various BMW vehicles with power window systems.

Product Details and Specifications

This new ACI power window regulator (part number 84804) is designed for the rear left door of multiple BMW models, including the 5 Series and M5 variants. It supports power window operation but does not include the motor or mounting hardware, allowing for flexible installation with existing components. The regulator meets or exceeds OEM standards, ensuring proper fit and reliable function within the vehicle’s door assembly.

Common Applications and Problem Resolution

• Restores smooth power window movement on the rear left door
• Replaces faulty or worn window regulators causing window misalignment
• Eliminates window sticking or slow operation issues
• Addresses window dropping or failure to stay in position
• Supports repair after damage from accidents or wear

Installation Notes and Tips

• Verify compatibility with your specific BMW model and year before installation
• Motor and mounting hardware are not included; reuse existing parts or purchase separately
• Carefully follow vehicle service manual instructions for door panel removal and regulator installation
• Test window operation before reassembling door panel to ensure proper function

Quality Assurance and Warranty

The ACI Window Regulator 84804 is a new replacement part that meets or exceeds OEM quality standards. It is manufactured to provide reliable performance and durability consistent with factory specifications. Warranty coverage details should be confirmed with the parts provider or manufacturer.