/live/media/WW/WW_380300_FRO.JPG)
Will it fit your vehicle?
Confirm before you buy. Free return shipping if it doesn't fit.
WAI 380300 Window Regulator - Front Left
| Brand | WAI 380300 |
|---|---|
| Position | Front Left |
| Gear Material | Plastic gear |
| Attachment Type | Screws |
| Mounting Hardware Included | No |
| Window Operation Type | Electric |
| Motor Included | No |
| Installation Instructions Included | Yes |
| Description | Power window regulator |
| MEETS OR EXCEEDS OEM SPECS | Yes |
| NEW OR REMANUFACTURED | New |
| PLASTIC ROLLER | Yes |
| Fits | BMW · 62 vehicles |
OE-spec replacement. Built to meet or exceed OEM manufacturing and performance requirements.
Electric operation. Designed for power window systems with a direct-fit, screw-mounted layout.
New construction. Precision engineered with high-grade materials for fit and longer service life.
Cross-references 51337281885 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Direct-Fit Power Window Regulator
This WAI power window regulator is a new, electric replacement built to meet or exceed OE manufacturing and performance specifications. It is engineered for a direct fit and uses a plastic gear, plastic roller, and screw attachment design for straightforward service on BMW 3 Series applications.
Key Features
- New power window regulator for electric window operation
- Meets or exceeds OEM specifications for fit and performance
- Plastic gear and plastic roller construction
- Screw-mounted design for direct replacement service
- Installation instructions included
Detailed Description
WAI 380300 is a front left power window regulator designed for BMW models including the 320i, 328i, 335i, 330i, and M3. It is a direct-fit replacement for vehicles with electric window operation and is built as a new unit rather than remanufactured. The design focuses on OE-style fitment, consistent window movement, and dependable operation in daily use. This part cross-references BMW 51337281885 for the same application.
For BMW 320i, BMW 328i, and BMW 335i owners, this regulator provides a service solution for worn or failed window lift mechanisms. The WAI 380300 part number is also useful when searching for a BMW 3 Series front left window regulator that matches OE specifications.
What It Is Used For
- Restoring electric window movement when the regulator mechanism is worn
- Replacing a broken plastic gear or roller in the lift assembly
- Correcting slow, uneven, or stuck window travel
- Addressing noise or binding from a failing window regulator
Installation Notes and Tips
Verify the front left position and electric window operation before ordering. This regulator uses screw attachment points and does not include mounting hardware or a motor. Installation instructions are included, which can help during replacement on BMW 3 Series door assemblies.
Quality Assurance
WAI states that this regulator is manufactured to meet or exceed OE specifications and is backed by a limited lifetime warranty.
| Year | Make | Model | Body Type | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2019 | BMW | 330i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | 320i | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | 320i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | 328d | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | 328d xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | 330e | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | 330i | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | 330i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | 340i | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | 340i GT xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | 340i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2018 | BMW | M3 | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | 320i | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | 320i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | 328d | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | 328d xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | 330e | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | 330i | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | 330i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | 340i | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | 340i GT xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | 340i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2017 | BMW | M3 | — | — | — | — | Front Left | Power Window Regulator |
| 2016 | BMW | 320i | — | — | — | — | Front Left | Power Window Regulator |
| 2016 | BMW | 320i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2016 | BMW | 328d | — | — | — | — | Front Left | Power Window Regulator |
| 2016 | BMW | 328d xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2016 | BMW | 328i | — | — | — | — | Front Left | Power Window Regulator |
| 2016 | BMW | 328i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2016 | BMW | 330e | — | — | — | — | Front Left | Power Window Regulator |
| 2016 | BMW | 340i | — | — | — | — | Front Left | Power Window Regulator |
| 2016 | BMW | 340i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2016 | BMW | M3 | — | — | — | — | Front Left | Power Window Regulator |
| 2015 | BMW | 320i | — | — | — | — | Front Left | Power Window Regulator |
| 2015 | BMW | 320i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2015 | BMW | 328d | — | — | — | — | Front Left | Power Window Regulator |
| 2015 | BMW | 328d xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2015 | BMW | 328i | — | — | — | — | Front Left | Power Window Regulator |
| 2015 | BMW | 328i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2015 | BMW | 335i | — | — | — | — | Front Left | Power Window Regulator |
| 2015 | BMW | 335i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2015 | BMW | ActiveHybrid 3 | — | — | — | — | Front Left | Power Window Regulator |
| 2015 | BMW | M3 | — | — | — | — | Front Left | Power Window Regulator |
| 2014 | BMW | 320i | — | — | — | — | Front Left | Power Window Regulator |
| 2014 | BMW | 320i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2014 | BMW | 328d | — | — | — | — | Front Left | Power Window Regulator |
| 2014 | BMW | 328d xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2014 | BMW | 328i | — | — | — | — | Front Left | Power Window Regulator |
| 2014 | BMW | 328i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2014 | BMW | 335i | — | — | — | — | Front Left | Power Window Regulator |
| 2014 | BMW | 335i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2014 | BMW | ActiveHybrid 3 | — | — | — | — | Front Left | Power Window Regulator |
| 2013 | BMW | 320i | — | — | — | — | Front Left | Power Window Regulator |
| 2013 | BMW | 320i xDrive | — | — | — | — | Front Left | Power Window Regulator |
| 2013 | BMW | 328i | — | — | 3.0L | L6 | Front Left | Power Window Regulator |
| 2013 | BMW | 328i xDrive | Sedan | 4 Door | 3.0L | L6 | Front Left | Power Window Regulator |
| 2013 | BMW | 335i | Sedan | 4 Door | — | — | Front Left | Power Window Regulator |
| 2013 | BMW | 335i xDrive | Sedan | 4 Door | — | — | Front Left | Power Window Regulator |
| 2013 | BMW | ActiveHybrid 3 | — | — | — | — | Front Left | Power Window Regulator |
| 2012 | BMW | 328i | — | — | 3.0L | L6 | Front Left | Power Window Regulator |
| 2012 | BMW | 328i xDrive | — | 4 Door | — | — | Front Left | Power Window Regulator |
| 2012 | BMW | 335i | Sedan | 4 Door | — | — | Front Left | Power Window Regulator |
| No rows match your filter. | ||||||||