Continental WR40078 Window Regulator - Front Left

Continental Front Left Window Regulator

Restore smooth window operation with this Continental electric window regulator for the front left door. Built as a specific-fit replacement, Continental WR40078 matches the fit, form, and function of the original equipment part for a direct repair on select BMW models.

• Electric window regulator for the front left position
• Specific-fit design for accurate alignment and operation
• Metal construction for durable door-panel service
• OE-style replacement for power window systems
• Built in ISO TS certified facilities
• Compatible with front left power window applications on select BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li models

Fitment and Application Details

Continental WR40078 is a front left window regulator for BMW vehicles with power windows. It fits 2002-2005 BMW 745i, front left; 2002-2005 BMW 745Li, front left; 2006-2008 BMW 750i, front left; 2006-2008 BMW 750Li, front left; 2004-2006 BMW 760i, front left; and 2003-2008 BMW 760Li, front left. This part cross-references Dorman - OE Solutions 749-104 for the same application.

Common Problems This Part Can Address

• Window stuck in the raised or lowered position
• Slow, uneven, or noisy window movement
• Broken regulator cable or gear wear
• Window dropping inside the door
• Loss of power window function at the front left door

Installation Notes and Quality Assurance

Verify vehicle year, model, and power window configuration before installation. This is an electric regulator without a motor included, so reuse or replace the motor as needed based on the vehicle setup. Continental builds this replacement regulator to provide OE-style fit and function for straightforward installation and dependable operation on BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li applications.

Continental manufactures this part in ISO TS certified facilities and supports broad OE-style application coverage across domestic, Asian, and European vehicles.