Active Cruise Control BMW E90 E91 E92 LCI Longitudinal Dynamic Module 6774206

Active Cruise Control BMW E90 E91 E92 LCI Longitudinal Dynamic Module is a specialized component from the Electronic control modules and controllers group, responsible for the precise processing of signals related to vehicle acceleration and deceleration. It enables the proper operation of the cruise control in the longitudinal axis, supporting stable maintenance of the set speed and smooth responses of the drivetrain. Thanks to the original BMW design, the module ensures operational consistency with the vehicle's other electronic systems.

Specifications and technical data

• SKU: 6774206
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6774206
• Substitutable numbers: 66316774206, 6774206, 66316775949, 6775949, 663167726686631677118266316770889, 677266867711826770889, 66316772668, 6772668, 66316771182, 6771182
• Category: ECUs & Computer Modules

Function of the cruise control longitudinal dynamic module

The longitudinal dynamic module in the BMW E90/E91 series is responsible for analyzing driving parameters and transmitting them to the cruise control unit. Based on sensor data, the system can:

• maintain the set speed in a stable manner,
• adjust the response to changes in load and road conditions,
• support smooth acceleration and deceleration,
• ensure consistent operation with other electronic vehicle systems. As a result, driving comfort with active cruise control remains at a high level, and the vehicle's reactions are predictable and repeatable.

Benefits of using an original BMW module

Choosing an original module from the Electronic control modules and controllers BMW group means maintaining the factory logic of system operation. This type of component is designed for the specific electrical and software architecture of the vehicle, which translates into:

• proper communication via the data bus with other controllers,
• compatibility with the software used in the given generation of BMW E90/E91,
• stable cruise control operation without unwanted errors or dashboard messages,
• easier diagnostics using factory service tools. A used, tested module allows for the restoration of full system functionality without the need for an expensive purchase of a new unit, while maintaining factory system performance parameters.

Application in the vehicle's electronic system

The cruise control longitudinal dynamic module works with other controllers responsible for the drivetrain, safety, and driving comfort. In practice, this means that its correct operation affects:

• the vehicle's response to cruise control settings,
• integration with driver assistance systems,
• consistency of data used by electronic systems. Thanks to its fitment for the BMW E90/E91 platform, the module can be integrated into the existing installation without interfering with the vehicle's wiring or structure, which facilitates trouble-free service installation.

Selection, compatibility, and practical tips

When selecting a cruise control longitudinal dynamic module, it is crucial to pay attention to manufacturer markings, part numbers, and compatibility with the specific vehicle equipment version. Proper matching helps avoid communication issues between controllers, the need for additional programming, or the appearance of errors in the system memory. If you want to deepen your knowledge regarding the selection of used controllers and sensors, how to verify compatibility, and installation principles, it is worth using the Global Parts guide: Used automotive electronics – ECU modules and second-hand sensors. You will find practical tips there regarding selection by manufacturer numbers, hardware and software compatibility, and the most common service questions. If you are planning a comprehensive repair or upgrade of the control electronics area in your BMW and need other components from the same group, such as engine controllers, comfort modules, or assistance systems, check the available parts in the BMW electronic control modules and controllers category.

Summary

Active Cruise Control BMW E90 E91 E92 LCI Longitudinal Dynamic Module is a dedicated electronic system component responsible for the proper operation of the cruise control in the longitudinal axis and the consistency of the vehicle's response to set driving parameters. The original BMW design, tailored to the E90/E91 series architecture, promotes stable system operation, easier diagnostics, and the preservation of factory driving characteristics. It is a sensible choice when repairing or restoring cruise control functions in vehicles of this generation.