BMW X5 X6 Series E70 E71 Airbag Control Module ECU Unit 9204849

BMW X5 X6 E70 E71 Airbag Module is a specialized component from the Electronic Control Units and Controllers group, designed to operate within the passive safety system of BMW X series vehicles. It is responsible for monitoring and controlling the deployment of airbags and for cooperating with other system sensors, which is crucial for the protection of the driver and passengers. A used OEM BMW module allows for a technically correct repair of the SRS system while maintaining the vehicle's original electronic architecture.

Specifications and technical data

• SKU: 9204849
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9204849
• Substitutable numbers: 65779240083, 9240083, 65779131529, 9131529, 65779171948, 9171948, 65779214813, 9214813, 65779189905, 9189905, 65779154109, 9154109, 65779141776, 9141776, 65779204849, 9204849, 65779165623, 9165623, 65779159795, 9159795, EM
• Category: ECUs & Computer Modules

Module Purpose and Function

The offered module is designed to work with the airbag system in BMW X5 E70 and BMW X6 E71 models. As the central control unit for the SRS system, it analyzes signals from crash sensors and, based on them, initiates the deployment of the appropriate airbags and seatbelt pretensioners. This ensures the correct sequence of operation for safety components, in line with the vehicle manufacturer's specifications.

The component belongs to the Electronic Control Units and Controllers group, meaning it communicates via the vehicle's data bus and requires proper diagnostic configuration after installation. Using an original BMW module minimizes the risk of communication errors with other control units and compatibility issues.

Benefits of Using an Original BMW Module

Choosing a factory airbag module for BMW X5/X6 offers a number of practical advantages:

• maintaining compliance with the original SRS system logic for the specific body model,
• proper cooperation with crash sensors, seatbelt pretensioners, and airbags,
• diagnostics and configuration using standard BMW service tools,
• reducing the risk of dashboard error messages related to incorrect control unit communication.

An additional benefit is the availability of dedicated replacement part numbers, which simplifies part selection for specific vehicle configurations and model years, and allows for precise matching of the module to the existing wiring harness.

Product Characteristics and Condition

The module is from the BMW range and is an OEM-class part, originally designed for factory installation in X series vehicles. As a used part, it offers an economical solution for airbag system repair while maintaining original quality of workmanship and construction. Before installation, a standard diagnostic procedure is recommended, along with adaptation or coding if necessary, according to manufacturer guidelines.

For safety reasons, the module installation should be carried out by a workshop experienced in working with SRS systems and possessing access to appropriate diagnostic software. A correctly selected and configured control unit will restore the full functionality of the airbag system after a collision or failure of the previous module.

Selection by OEM Number and Replacement Numbers

This airbag module has a dedicated OEM part number and a set of replacement numbers, enabling precise identification of compatibility with a specific BMW X5 E70 or X6 E71. In practice, this means the control unit can be matched by its factory number or by reference numbers used across different model years and equipment versions.

To minimize the risk of error, it is advisable to verify the module's compatibility with your vehicle using the VIN number or by comparing the markings with the currently installed control unit. This ensures hardware and software consistency, and streamlines the coding and adaptation process.

Technical Support and Additional Information

If you want to better understand how to safely and consciously choose used SRS control units, ECUs, and other electronic components, consult the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?. You will find practical tips on selecting by OEM numbers, hardware and software compatibility, and installation procedures.

If you are planning a comprehensive repair or upgrade of the control electronics in your BMW and need other parts from the same group, such as comfort controllers, body modules, or engine control units, check the available parts in the BMW Electronic Control Units and Controllers category.