BMW E60 E63 Control Unit Steering Wheel Electronics Module 6938773

BMW E60 E63 Control Unit Steering Wheel Electronics Module is an original component from the Steering wheels and horn buttons group, designed for precise management of steering system functions in selected BMW models. This used OEM module ensures factory-fit, proper communication with the vehicle's electrical system, and stable operation of related comfort and safety systems.

Specifications and technical data

• SKU: 6938773
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6938773
• Substitutable numbers: 61316953324, 6953324, 61316938773, 6938773, 61316934191, 6934191, 61316927916, 6927916
• Category: Steering Wheels & Horn Buttons

Purpose and function of the steering wheel control module

The presented control unit is responsible for handling signals from the steering wheel, including communication with function buttons and the horn system. As an electronic component interacting with the vehicle's bus, the module integrates with other control units in the car, enabling the correct operation of functions available from the steering wheel.

Thanks to its OEM design, the module is optimized for BMW's electrical architecture, which translates into predictable system behavior, no need for wiring modifications, and the preservation of the original button logic.

Benefits of using an original BMW module

Using an original control unit instead of a faulty component allows for the restoration of proper steering wheel function operation without interfering with wiring harnesses or requiring additional programming beyond standard service procedures. This solution is particularly beneficial for:

• repairing non-functional steering wheel buttons,
• horn operation issues resulting from electronics,
• diagnosing communication faults within the steering column.

Choosing an original module from this parts group reduces the risk of incompatibility and facilitates workshop operations, while helping to maintain the integrity of the vehicle's electrical system.

Product characteristics and fitment

BMW E60 E63 Control Unit Steering Wheel Electronics Module has been designed specifically for BMW 5 and 6 series platforms, which means it fits factory connectors and the intended mounting location. The module works with the original steering column, wiring harness, and other system components, ensuring that installation is orderly and predictable.

The product comes from the OEM segment, which in practice means maintaining the vehicle manufacturer's quality standards, as well as compliance with factory diagnostic procedures used in service centers supporting the BMW brand.

Condition, service application, and practical tips

The item is offered as a used part, which provides an attractive cost-effective alternative to new components while maintaining the original technical specification. This type of module is suitable for both standard repairs and preventive replacement in vehicles experiencing intermittent issues with steering wheel functions.

Before installation, standard steering system diagnostics and verification of the module's compatibility with the specific vehicle equipment configuration are recommended. A correctly selected control unit facilitates subsequent service and allows for full utilization of comfort and safety system capabilities.

Steering system expansion and technical knowledge

To better understand the role of such modules in the overall system, it is worth familiarizing yourself with the operating principles of the steering and power steering system, typical failure symptoms, and diagnostic methods – this is discussed in detail in the article Steering and power steering system – how it works and what breaks?. This allows for a more accurate assessment of when electronics within the steering column are the cause of problems.

If you are planning a comprehensive repair or upgrade of the steering area in your BMW and need other elements from the same group, such as steering wheels, function buttons, or horn housings, check out the available parts in the BMW Steering wheels and horn buttons category.

Additional information on when it is worth choosing used automotive electronics is also provided in the guide The second life of electronics – when is it worth choosing used control units and modules?, where you will find practical tips on selecting modules and their safe use in daily vehicle operation.