Continental WR51140 Window Regulator - Front Left

OE-Style Front Left Window Regulator

Restore smooth power window operation with this Continental window regulator for the front left door. Built as a specific-fit replacement for select BMW applications, it matches original equipment fit, form, and function for a direct repair on power-window vehicles.

Continental WR51140 is a metal, electric window regulator with no motor included. It is engineered for front left installation and is built in ISO TS certified facilities for consistent fit and dependable operation.

Key Features

• Specific-fit window regulator for the front left door
• Metal construction for durable service
• Electric regulator design; motor not included
• OE-style replacement for original window function
• Built for fast, straightforward installation
• Fits select BMW 318i, 318is, 323i, 323is, 325i, 325is, 328i, 328is, and M3 models with power windows

Detailed Description

Continental WR51140 is a replacement window regulator made for vehicles that use power windows and need a front left repair. It is a specific-fit part that follows the original regulator layout, helping maintain proper window travel and consistent operation. This part cross-references Dorman OE Solutions 749-621 for the same application.

For BMW 318i, 318is, 323i, 323is, 325i, 325is, 328i, 328is, and M3 applications, this regulator supports a direct repair approach without requiring a universal fit solution. Continental WR51140 is also referenced by part number WR51140 for ordering and catalog lookup.

What It Helps Fix

• Window stuck in the up or down position
• Slow, uneven, or noisy window movement
• Broken regulator cables or gear mechanism wear
• Window that drops or will not stay aligned in the track
• Loss of power window function on the front left door

Installation Notes and Tips

Verify the vehicle uses power windows and confirm front left placement before installation. Compare the original regulator to the replacement part and inspect the window glass guides, switches, and motor condition during service. Because the motor is not included, reuse or replace the motor as needed based on the vehicle’s existing setup.

Quality Assurance

Continental manufactures this regulator in ISO TS certified facilities and builds it to match original equipment specifications for fit, form, and function. WR51140 is intended to deliver reliable window operation and a clean OE-style repair on the listed BMW applications.