Aisin RPAB-023 Window Motor and Regulator Assembly - Rear Left

Aisin Rear Left Window Regulator for BMW X5

The Aisin RPAB-023 power window regulator with motor is built for the rear left door on select 2000-2006 BMW X5 models. It is engineered to OE standards with controlled manufacturing and validation testing for fit, form, and function.

Key Features

• Power window regulator and motor assembly for the rear left position
• OE-style fitment for 2000-2006 BMW X5 applications
• Re-engineered manufacturing process to refine original design details
• Environmental testing used to verify operation under varied conditions
• Direct replacement part number: RPAB-023

Product Details

This Aisin power window regulator w/ motor is designed for BMW X5 rear left window service where the regulator mechanism and motor are serviced as an assembly. The RPAB-023 follows OE-level specifications and quality control practices to support proper alignment, smooth glass movement, and consistent window operation. This part cross-references Dorman - OE Solutions 741-412 for the same application.

Common Issues This Part Addresses

• Window glass that will not raise or lower
• Slow, uneven, or noisy rear window movement
• Motor operation without glass movement
• Binding or slipping regulator mechanism
• Intermittent rear left window function on BMW X5 models

Installation Notes

Fits 2000-2006 BMW X5, rear left. Confirm the original part number and door position before installation. Inspect the window tracks, guides, and electrical connector condition during replacement to help ensure proper operation after service.

Quality Assurance

Aisin manufactures this assembly to meet OE standards and uses strict quality control throughout production. The RPAB-023 is also validated through environmental testing to confirm form, fit, and function for the intended BMW X5 application.