Cardone 82-3005ER Power Window Motor and Regulator Assembly - Front Left

Cardone Power Window Motor and Regulator Assembly

The Cardone 82-3005ER power window motor and regulator assembly is a direct replacement for front left applications on select BMW models. It combines the motor and regulator into one new assembly to address common window lift failures and restore smooth glass movement.

Built for BMW 325Ci, 330Ci, M3, and 323Ci front left applications, this assembly is engineered to meet or exceed OEM performance while helping reduce repeat repairs tied to worn regulator components.

Key Features

• 100% load tested for verified performance before installation.
• Pre-lubricated motor assembly for quiet operation and extended service life.
• Guaranteed fit and function for the listed BMW applications.
• Upgraded gear materials help resist wear, stripping, and breakage.
• Magnets are designed to deliver torque needed for demanding weather and aging window systems.
• Meets or exceeds OEM performance standards.
• New condition with regulator included.

Product Details

Cardone Power Window Motor and Regulator Assembly 82-3005ER is designed for vehicles where regulator wear can overload the window lift motor. Replacing the complete assembly helps address the root cause instead of installing only the motor into a worn mechanism. This part cross-references BMW 51338229105 for the same application. It is a strong service option for BMW 325Ci front left, BMW 330Ci front left, BMW M3 front left, and BMW 323Ci front left window repair needs.

Common Problems This Part Can Address

• Window glass that moves slowly or stops partway.
• Grinding, binding, or uneven window travel.
• Motor burnout caused by a failing regulator assembly.
• Broken gears, stripped teeth, or worn lift components.
• Noisy window operation from dry or damaged internal parts.

Installation Notes and Tips

Verify the vehicle’s front left application before installation and compare the original connector, mounting style, and regulator layout to the replacement. The assembly uses a 2-wire configuration and mounts with threads and studs. Review the included instruction sheet before beginning the repair, and inspect the window tracks and guides for wear that could affect operation after installation.

Quality Assurance

Cardone engineers this window motor and regulator assembly to meet or exceed OEM performance. Each unit is load tested, assembled with the correct lubricant amount, and built with stronger gear materials to support reliable operation in the listed BMW applications. Part number 82-3005ER is a new replacement assembly for front left window service.