Blind Spot Sensor BMW G01 G20 G21 G30 G31 Radar Range Module SRR-01 Rear 5A7A559

Blind Spot Sensor BMW G01 G20 G21 G30 G31 Radar Range Module SRR-01 Rear is a specialized rear radar module responsible for monitoring the blind spot in selected BMW models. This component from the Electronic Control Modules and Controllers group supports advanced driver-assistance systems, enhancing safety during lane changes and road maneuvers. Thanks to its original design, the module works with the vehicle's factory electronic architecture, ensuring precise operation of the blind spot warning system.

Specifications and technical data

• SKU: 5A7A559
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A7A559
• Substitutable numbers: 66325A7A559, 5A7A559
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Function and Application of the Rear Radar Module

The presented SRR-01 module, installed in the rear of the vehicle, is responsible for active monitoring of the blind spot and the area behind the car. Based on radar signals, the controller analyzes the situation in adjacent lanes and transmits information to assistance systems, which can warn the driver with an optical or acoustic signal.

This solution is particularly important in modern BMW G-series vehicles, where extensive electronics support the driver in daily car operation. The module works in the background, without user intervention, and its correct operation directly impacts driving comfort and safety in urban traffic and on high-speed roads.

Compatibility with BMW G01, G20, G21, G30, G31 Platforms

The Blind Spot Sensor has been designed with the electronic architecture of BMW G-family models in mind, such as mid-range and executive SUVs and sedans. Proper adaptation to the G01, G20, G21, G30, and G31 platforms allows for integration with factory wiring harnesses, communication bus, and control software.

Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and driver-assistance system configuration. In many cases, after installation, adaptation or coding in the vehicle is necessary for the module to be correctly recognized by the central controllers and to cooperate with the existing electronic infrastructure.

Vehicle Placement and Installation Aspects

The module is designed for installation in the rear of the car, where it has an adequate field of view for radar waves. Correct placement is crucial for the stable operation of the blind spot monitoring system, so during installation, factory mounting points and module orientation should be maintained.

Due to the nature of radar operation, it is important that there are no elements in their immediate vicinity that could interfere with signal propagation (e.g., non-factory installed metal covers). After installation, it is advisable to conduct a test drive and computer diagnostics to confirm the module's correct communication with other vehicle controllers.

Characteristics of a Used Product

The offered module is a used part, sourced from disassembly, which allows for economical restoration of the assistance system's functionality while maintaining the original manufacturer's specifications. Choosing such a solution is beneficial wherever consistency with factory electronics and the ability to integrate with the existing vehicle configuration are important.

Before installation, a standard diagnostic procedure in the vehicle is recommended to rule out other potential sources of errors in the driver assistance system. A correctly selected and configured radar module allows for the restoration of full blind spot monitoring functionality without the need for costly replacement of entire sensor sets.

System Expansion and Additional Information

If you are planning a comprehensive repair or upgrade of the driver assistance systems in your BMW and need other parts from the same group, such as additional controllers, comfort modules, or systems responsible for driving assistants, check the available parts in the BMW Electronic Control Modules and Controllers category.

To compare how different manufacturers approach maintaining brand character and using original components, you can read an article describing how used electronic and equipment parts influence the characteristics of Audi vehicles – details can be found in the material Audi and Pure Emotion – How Used Parts Help Maintain the Brand's DNA.