BMW 3 Series E46 Convertible Front Seat Adjustment Actuator Drive CRH 1-1236-01

BMW 3 Series E46 Convertible Front Seat Adjustment Actuator Drive is a precision component of the electric seat adjustment system, designed for installation in the front part of the vehicle. Thanks to its factory-fit for BMW models, it ensures the proper operation of the seat sliding and positioning mechanism, which translates into a comfortable and safe position for the driver or passenger. This used component allows for an economical repair of the adjustment system without compromising the quality of the original design solution.

Specifications and technical data

• SKU: 1-1236-01
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1-1236-01
• Substitutable numbers: 1-1236-01
• Location on the vehicle: Front
• Category: Additional Seat Parts

Purpose and function in the vehicle

The seat adjustment motor in the BMW E46 is responsible for the electric adjustment of the seat in the front area of the cabin. The component works with the seat rail and gear mechanism, enabling smooth positioning according to signals from the control panel. A properly functioning drive is crucial for maintaining the ergonomics of the driver's seat, as well as for the correct operation of seat memory functions in vehicles equipped with this feature.

Benefits of using the original motor

Using the original seat adjustment motor in the front of the car allows you to maintain the factory performance parameters of the seat system. The main advantages include:

• stable compatibility with the existing seat electrical installation,
• proper fitment to the rails and seat structure,
• maintenance of the correct speed and smoothness of seat movement,
• reduced risk of incorrect installation due to dimensional compliance.

As a result, the repair of the adjustment system is predictable, and the seat regains full functionality without the need for installation modifications.

Installation characteristics

The presented motor is designed for operation in the front part of the cabin, within the driver's or passenger's seat, depending on the vehicle configuration. The design of the component allows for installation in place of the factory drive, using original mounting points and electrical connectors. This limits the time required for replacement and reduces the risk of installation errors.

Condition and service application

A used seat adjustment motor is a particularly attractive solution for maintenance repairs when the priority is to combine functionality with cost control. This type of component is suitable for both workshops specializing in the BMW brand and independent services that carry out repairs of seat systems and interior equipment. Replacing a damaged drive with a functional component allows you to restore seat comfort without the need to interfere with other seat sub-assemblies.

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 drives, check out the available parts in the Other BMW seat parts category.

More about used parts and cost optimization

Choosing a used seat adjustment motor is a sensible way to reduce service costs while maintaining the appropriate component quality. If you want to better understand how to economically plan repairs using second-hand parts, it is worth reading the guide on our blog: Smart Skoda servicing – why second-hand parts are the best choice for your wallet. Although the article concerns a different brand, it describes universal principles for selecting used OEM components that you can also apply to servicing your BMW.

Additionally, if you are interested in a broader view of the market for original second-hand components, take a look at the material: The best used car parts – a guide to the most frequently chosen original parts, where you will find practical tips on choosing proven components for popular car models.