Dorman 749-621 front left window regulator for the 1999 BMW 323i and other vehicles raises and lowers the door glass. This Dorman window regulator is electric and comes as the regulator only, so the window motor is not included.
- Dorman OE Solutions line power window regulator, sold without the motor
- Tested by cycling thousands of times in an actual vehicle door
- Plastic gear with plastic and metal cable
- Bolt-on attachment type
Quick facts
- Part: Dorman 749-621 window regulator
- Fits: 1999 BMW 323i and other vehicles
- Position: Front left
- Material: Plastic gear; plastic and metal cable
- Condition: New
A window that moves slowly, drops into the door or makes noise from the door can mean a worn regulator, and the switch or motor may be behind it too. If the glass sits crooked or slides down on its own, the regulator can be the cause; a shop can test the switch and motor first.
Fits
This front left window regulator fits the 1999 BMW 323i, the 1998-1999 BMW 323is and the 1996-1999 BMW 328i. Its shape and dimensions are reverse-engineered from the original equipment for a direct bolt-on fit. If your BMW is not named here, look it up in the Vehicles it fits section on this page. This listing is one regulator: the 1999 BMW 323i takes one at the front left, the front right is a separate part, and both sides are normally replaced together.
Specifications
Fit and size
- Position: front left
- Quantity per vehicle: 1
- Attachment type: bolt-on
Build and materials
- Type: electric power window regulator, motor not included
- Gear material: plastic
- Cable material: plastic and metal
- Condition: new
- Country of origin: China
In the box
One window regulator. The motor, mounting hardware and installation instructions are not included, so plan on new fasteners, since the old ones may not be reusable.
Interchange: 20-1691 · 21-1691
11R780 · 84598 · 51331977579 · 822123a · WLR1049 · WR51140 · 660194
This part cross-references / interchanges with the following part numbers:
11R780, 84598, 51331977579, 822123a, WLR1049, WR51140, 660194, 20-1691, 21-1691
Frequently Asked Questions
Is the 1996-1999 BMW 328i window regulator the same as Dorman 749-621?
Yes, Dorman 749-621 is the front left window regulator for the 1996-1999 BMW 328i. The front right side is a separate part.
Which side is the 1999 BMW 323i window regulator Dorman 749-621 for?
Dorman 749-621 is the front left regulator for the 1999 BMW 323i. The front right takes its own regulator, ordered separately.
Does the Dorman OE Solutions window regulator come with the motor?
No. Dorman 749-621 is the window regulator only. The window motor, mounting hardware and installation instructions are not included.
What are the gear and cable of this front left window regulator made of?
This window regulator has a plastic gear, and its cable is made of plastic and metal.
How can I tell this front left window regulator is wearing out?
Glass that moves slowly, drops into the door, or a noise from the door when you press the window switch can be signs of a worn regulator.
