Continental WR40072 Window Regulator - Front Left

Continental Front Left Window Regulator

The Continental WR40072 is a specific-fit, electric window regulator for the front left door. It is built with a metal construction and is intended for vehicles with power windows, including select BMW M5, 525i, 530i, 540i, and 528i applications.

Key Features

• Specific-fit window regulator for the front left position
• Electric operation for power window systems
• Metal construction for OE-style fit, form, and function
• Motor not included
• Built in ISO TS certified facilities
• Direct replacement for select BMW passenger cars

Product Details

Continental WR40072 is engineered as an OE-style replacement window regulator for the front left door. It is designed for select BMW models with power windows, including the 2006 BMW M5, 2000-2003 BMW M5, 2001-2003 BMW 525i, 2001-2003 BMW 530i, 1997-2003 BMW 540i, and 1997-2000 BMW 528i. Continental window regulators are built to match original fit, form, and function, helping restore smooth window movement in vehicles where the regulator has worn out from repeated use or harsh weather exposure. This part cross-references Dorman OE Solutions 740-478 for the same application.

Common Repair Symptoms

• Window glass will not move up or down
• Slow, uneven, or noisy window operation
• Window slips, binds, or drops inside the door
• Power window switch works but the glass does not respond
• Broken or worn regulator components inside the door

Installation Notes

Verify front left door fitment and confirm the vehicle uses power windows before installation. This Continental WR40072 regulator is for electric operation and does not include a motor, so reuse or replace the motor as needed based on the vehicle setup. Compare the original regulator layout and connector style before removing the door trim panel.

Quality Assurance

Continental manufactures this window regulator in ISO TS certified facilities and builds it to provide OE-style performance and straightforward installation. For BMW M5, 525i, 530i, 540i, and 528i repairs, it offers a direct replacement solution for restoring normal front left window function.