BMW 3 5 6 Series E60 M5 E64 M6 E90 E93 M3 Accelerating Sensor

BMW 3 5 6 Series E60 M5 E64 M6 E90 E93 M3 Accelerating Sensor is an original acceleration measurement system component designed for advanced BMW sports models. This specialized sensor works with vehicle dynamics control systems, providing precise data essential for stable, predictable, and safe driving. Thanks to its factory origin from the BMW range, you maintain full compatibility with the car's electronics and software.

Specifications and technical data

• SKU: 6781406-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6781406
• Substitutable numbers: 37146781406, 6781406, 371403982533714041640937146770205, 371467528653714014895737146776213, 039825304164096770205675286501489576776213
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function of the acceleration sensor

The acceleration sensor in BMW E60 M5, E64 M6, and E90 M3 models is responsible for measuring the linear and lateral acceleration of the body, which is then used by the controllers of stability control systems, traction control, and adaptive suspension systems. A properly functioning component of this type:

• ensures stable operation of active safety systems,
• enables precise reaction to wheel slip and changes in grip,
• supports maintaining sporty handling characteristics while keeping the vehicle under control.

For the powerful engines used in the M5, M6, and M3, the accuracy of acceleration measurement is crucial for the predictable behavior of the car in dynamic conditions.

Benefits of using an original BMW component

Using an original acceleration sensor from the BMW range allows you to maintain consistency of parameters with factory controller settings. This means:

• no need to modify wiring or connectors,
• proper cooperation with existing ECU software and comfort modules,
• preservation of the factory operating characteristics of DSC/ESP systems and adaptive suspension.

For users expecting predictable car behavior in daily and track use, this is a technically safe and repeatable solution.

Component condition and installation aspects

The offered acceleration sensor is a used component, which allows for an economical repair of the system while maintaining the manufacturer's original specifications. Before installation, a standard diagnostic procedure and verification of proper operation in the vehicle after installation are recommended. In practice, the installation comes down to:

• mechanically mounting the sensor in the location provided by the manufacturer,
• connecting the factory electrical harness,
• potential adaptation or clearing of errors in the controller using an appropriate diagnostic tester.

This approach minimizes vehicle downtime and allows for the quick restoration of full functionality of the driving stability systems.

Selection by numbers and vehicle compatibility

When selecting an acceleration sensor for a specific BMW unit, it is crucial to compare the OEM part number and available interchangeable numbers with the vehicle documentation or catalog data. This allows you to verify full compatibility with a specific equipment version and model year. In case of doubt, it is worth using the VIN number and the parts catalog to avoid electronics compatibility issues.

If you are interested in a broader context of how advanced powertrains and chassis work in high-performance cars, an article comparing sports RS versions with standard models may be helpful – check the material: Audi RS vs other models – what is hidden under the hood and chassis?.

Expanding the scope of service work

If you are planning a comprehensive repair or upgrade of the suspension and stability systems area in your BMW and need other elements from the same group, such as additional sensors, control modules, or mounting elements, check the available parts in the category Other BMW.