Vaico V20-9732 Window Regulator - Rear Left

BMW Rear Left Electric Window Regulator

The VAICO V20-9732 is an electric window regulator for the rear left door on select BMW applications. It is specified without an electric motor and is built for vehicles that use a power-operated window mechanism with a separate motor.

• Electric operating mode for rear left door window control
• Measures 580 mm in length, 260 mm in width, and 60 mm in height
• Supplied without electric motor
• Paired article number: V20-9733
• Cross-references Continental WL44235 for the same application

Product Details

VAICO V20-9732 is a body and door component engineered for BMW rear left window service where the regulator assembly is the failed part, not the motor. The listed dimensions and electric operating mode support direct replacement planning for BMW M5, 525i, 530i, 540i, and 528i applications in the rear left position. This part number, V20-9732, is also referenced against several aftermarket and OE-style interchange numbers for catalog matching.

Compatible With: 2006 BMW M5 rear left; 2000-2003 BMW M5 rear left; 2001-2003 BMW 525i rear left; 2001-2003 BMW 530i rear left; 2001-2003 BMW 540i rear left; 1999 BMW 528i rear left; 1999 BMW 540i rear left. This part cross-references Continental WL44235 for the same application.

Common Repair Symptoms

• Rear left window will not raise or lower with the switch
• Window moves unevenly or binds in the door track
• Regulator cable or mechanism has failed inside the door
• Power window operation is present, but the glass does not respond correctly
• Noise from the door during window movement

Installation Notes

Verify rear left fitment against the vehicle build and existing regulator style before installation. This unit is listed without the electric motor, so reuse or transfer of the motor is required where applicable. The fitment notes also indicate applications without a mounting plate on the listed BMW models. Confirm connector, track layout, and door configuration before final assembly.

Quality Assurance

VAICO supplies OE-style replacement parts for European vehicle repair, and this window regulator is cataloged for the specified BMW rear left applications. Use the part number V20-9732 and the paired reference V20-9733 to confirm the correct door-side match during ordering and service.