BMW 1 3 F20 F30 Front Left N/S Passenger Seat Height Adjustment Drive Motor

BMW 1 3 F20 F30 Front Left N/S Passenger Seat Height Adjustment Drive Motor is an original seat system component designed for precise seat position adjustment. Thanks to its factory BMW design, it ensures smooth mechanism operation and proper fitment with the rails and electrical controls, which translates into driving comfort and ergonomics. As part of the Other seat parts group, it is perfect for repairing or replacing a damaged height adjustment drive.

Specifications and technical data

• SKU: rhd-7325521
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7325521
• Substitutable numbers: 52107325521, 7325521, P1-17122-01, 0390204145, EM
• Location on the vehicle: Front, Left
• Category: Additional Seat Parts

Purpose and vehicle placement

The presented height adjustment motor is designed for installation in the front, left passenger seat in BMW 1 Series F20 and 3 Series F30 vehicles. Its placement in the front, passenger-side zone means it works with the factory seat frame, rails, and electrical installation dedicated to these models.

Thanks to its OEM-compliant design, the seat height drive maintains the correct operating geometry, which minimizes the risk of jamming, uneven lifting, or excessive play in the mechanism. This is particularly important in vehicles where the passenger seat is adjusted frequently, e.g., in fleet cars or vehicles in intensive use.

Construction and technical function

The seat height adjustment motor is responsible for driving the seat lifting and lowering mechanism along the vertical axis. It works with the gearbox and adjustment screws, ensuring controlled changes to the seat position in response to signals from the control buttons.

• electric drive adapted to the BMW F20/F30 installation,
• operation within the passenger seat height adjustment system,
• compatibility with factory rails and seat frame,
• designed for installation in the front position, on the left side of the vehicle.

This type of component is crucial for maintaining full seat functionality – its efficiency affects the ability to set a comfortable seating position, and thus the comfort and passive safety of the passenger.

Benefits of using an original BMW drive

Using an original seat height adjustment motor in a BMW F20/F30 brings a number of practical benefits:

• Factory fitment – compatibility with the seat structure and electrical installation limits the need for modifications and facilitates installation.
• Stable mechanism operation – properly selected gear ratios and torque ensure smooth lifting and lowering of the seat.
• Consistency with the safety system – properly functioning height adjustment helps set the seat in an optimal position relative to airbags and seat belts.
• Economical repair – replacing the height drive itself allows for restoring seat functionality without the need to purchase a complete seat.

Condition, verification, and part selection

The component comes from the used BMW parts group, which allows for cost-effective restoration of the seat adjustment system while maintaining the manufacturer's original specifications. Before installation, it is recommended to perform a standard check of the seat's electrical installation and rail mechanics to rule out additional damage affecting the drive's operation.

When selecting a height adjustment motor for a specific BMW F20 or F30, it is worth paying attention to compatibility with the seat version (vehicle side, adjustment functions) and equipment configuration. It is helpful to compare the existing component with the offered drive in terms of housing shape, connector type, and mounting method.

If you are planning a comprehensive repair or upgrade of the seating area in your BMW and need other components from the same group, such as rails, adjustment mechanisms, or additional seat modules, check the available parts in the Other BMW seat parts category.

To better understand the differences in the construction of advanced model versions and the impact of equipment components on handling and comfort, it is worth reading an article discussing Audi's sports variants – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.