| Vehicle equipment | for vehicles with electric window regulators |
| Fitting position | left front |
| Supplementary article/supplementary info | without electric motor |
| Paired article number | 501 825 |
| Operating mode | electric |
| Window regulator | double rail window lift |
Expresslevering
| Manufacturer | Model | Version | Engine code | Construction type | Construction start | Construction end | Pk | Power kw |
| Manufacturer | Productnumber |
| BMW | 5133 7 020 659 , 51337020659 |
| BMW | 5133 8 212 097 , 51338212097 |
| Usage numbers |
| 501 824 001 |
The Window Regulator (501 824) controls smooth and secure window glass movement. Replacing it with a Porza-quality regulator restores alignment, comfort, and door safety.
A window regulator is a mechanical or electric component inside the vehicle door that controls the movement of the window glass. Its function is to raise and lower the window smoothly and securely.
Key specifications include type (manual or electric), mechanism design (cable or scissor type), mounting points, and compatibility with the vehicle. It must ensure smooth and reliable window operation.
Replacement is necessary when the regulator is worn or damaged. Common symptoms include the window not moving, getting stuck, falling down, or making unusual noises.
Porza offers a fit guarantee option where your vehicle details are checked against product specifications to ensure correct compatibility.
Porza provides high-quality door and window components with fast delivery across Europe and options for online ordering or in-store pickup.
If the fit guarantee is selected, compatibility is verified before shipping. If the product does not fit, it can be returned according to the return policy.