BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022189

The BMW E87 E90 Active Steering Module is a specialized component from the Electronic Control Modules and Controllers group, designed for precise management of the active steering system in BMW vehicles. It is responsible for dynamically adjusting the steering system's characteristics to driving conditions, which translates into stable handling and driving comfort.

Specifications and technical data

• SKU: 6788598
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6788598
• Substitutable numbers: 32436788598, 6788598, 1277022189, 1 277 022 189, KZ
• Category: ECUs & Computer Modules

Module Purpose and Function

The active steering module in BMW E87 and E90 models works with vehicle sensors and other controllers to appropriately manage the steering ratio and power assistance. This allows the steering system to respond to speed, steering angle, and road conditions, providing the driver with predictable vehicle behavior and precise control.

As a component within the Electronic Control Modules and Controllers category, this controller is a crucial link in the communication between the steering system and the vehicle's other electronics, impacting safety and driving comfort.

Benefits of Using an Original BMW Module

Using an original module dedicated to the BMW E87 and E90 allows you to maintain the factory-set characteristics of the active steering system. Proper integration with the vehicle's electrical architecture and communication bus minimizes the risk of errors, fault messages, and integration issues with other controllers.

A used OEM part is a solution that enables technically correct repairs while offering a favorable cost-to-quality ratio. The module can be particularly useful for resolving issues such as incorrect power steering operation, active steering system errors, or limited steering functions after a collision or electrical failure.

Integration with Vehicle Electronics

The active steering module communicates with other controllers responsible for vehicle stability, traction control, and driver assistance systems. A correctly selected and functional controller enables:

• maintaining consistent communication within the vehicle's electronic network,
• correct interpretation of signals from steering and speed sensors,
• stable operation of the steering system across the full speed range,
• reduction of errors related to active steering.

This ensures the driver receives predictable steering responses, which is important for both daily driving and emergency situations.

Condition and Service Application

The presented module is a used component, making it an attractive solution for vehicle repairs where maintaining compliance with the factory configuration while optimizing costs is important. This type of controller is suitable for both routine repairs and for restoring full steering system functionality after replacing other mechanical or electronic components.

Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and prepare for potential adaptation or coding in the vehicle, according to BMW service procedures.

Module Selection and Compatibility

To correctly select the active steering module for a specific BMW E87 or E90 model, pay attention to the manufacturer's markings, part numbers, and interchangeable numbers. This helps avoid communication problems within the vehicle's network and ensures proper cooperation with the existing controller configuration.

When selecting used electronic components, it is particularly important to compare OEM and reference data. Practical tips for working with BMW electronics, including control modules, can be found in the article: Driving Pleasure for Years – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models. Additional advice on safely choosing used electronic components and other parts can also be found here: How to Professionally Select Used Car Parts and Avoid Bad Purchases.

If you are planning a comprehensive repair or upgrade of the steering system area in your BMW and need other parts from the same group, such as power steering controllers, comfort modules, or other electronic controllers related to vehicle handling, check the available parts in the BMW Electronic Control Modules and Controllers category.