BMW E90 E91 E92 Longitudinal Dynamic Module Cruise Control 6775949

BMW E90 E91 E92 Longitudinal Dynamic Module Cruise Control is an original electronic component designed for the factory cruise control system in 3 Series models. Thanks to its precise OEM design, it ensures stable control of the cruise control function and consistency with the vehicle's other electronic systems. This is a solution for users who expect reliable operation, compatibility with the factory installation, and easy integration with the existing wiring harness.

Specifications and technical data

• SKU: 6775949
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 66316775949
• Substitutable numbers: 66316775949, 6775949, 66316774206, 6774206, 66316772668, 6772668, 66316771182, 6771182, 66316770889, 6770889
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function of the cruise control module

The presented module is responsible for managing the cruise control operation in BMW 3 Series vehicles of the E90, E91, and E92 generations. The module receives signals from the control stalk, vehicle sensors, and the powertrain unit, and then transmits the appropriate commands to the drivetrain to maintain the set driving speed.

As an original BMW part, it is designed to work with the factory electronic architecture, which allows for maintaining the correct operation of comfort and safety functions associated with the cruise control.

Benefits of using an original BMW module

Using this module in the 3 Series E90/E91/E92 allows for maintaining consistency with the vehicle's factory configuration. The original module ensures:

• compatibility with the vehicle's electrical installation and communication bus,
• proper cooperation with the engine control unit and driver assistance systems,
• stable operation of the speed maintenance function under typical operating conditions.

For users who want to restore cruise control functionality after a failure or replace a damaged module, this is a practical and technically safe solution based on original BMW electronics.

Product characteristics and installation

The module is an electronic vehicle control unit designed for installation in the factory system. Its design allows for mounting in the location intended by the manufacturer, using original connectors and mounts. Thanks to this, the replacement process can be carried out in an orderly manner, without the need to modify wiring or interfere with the installation structure.

The product comes from dismantling, which means it is a used part that retains the features of an original BMW component. This type of solution is often chosen for electronics service in older vehicles, where both technical compliance and reasonable repair costs are important.

Application in BMW service and diagnostics

In case of cruise control issues, such as lack of response to speed settings, automatic function deactivation, or errors stored in the control unit memory, replacing the control module is one of the standard service steps. The original module allows for:

• proper identification in BMW diagnostic systems,
• maintaining compatibility with the software used in the 3 Series E90/E91/E92,
• easier calibration and adaptation during service procedures.

This approach facilitates the work of workshops specializing in the BMW brand and users who care about the technical consistency of their car's electronic system.

Expanding knowledge about BMW electronic modules

If you are interested in a broader context of how electronics work in the 3 Series and ways to use parts from dismantling for onboard system repairs, it is worth checking out the guide dedicated to BMW modules and comfort systems: how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series. The article discusses practical aspects of electronics service that may also be helpful when working with the cruise control module.

If you are planning a comprehensive repair or upgrade of the electronic systems responsible for driving comfort in your BMW and need other elements from the same group, such as comfort controllers, body modules, or additional control units, check out the available parts in the Other BMW category.

For a comparison of solutions used in different brands and a better understanding of how manufacturers design powertrains and their accompanying electronic systems, you can also refer to the comparative material regarding sports models: Audi RS vs other models – what is hidden under the hood and chassis?. It allows you to look at electronics and drivetrain control in a broader, technical context.