BMW G20 Front HUB Windshield Rain Light Solar Sun Fog Sensor Detector 9873608

The BMW G20 Windshield Rain, Light, Sun, and Fog Sensor is a precise component from the Cameras, Monitoring, and Sensor Kits group, responsible for automatic support of key comfort and safety systems. Mounted at the front of the vehicle, it works with the windshield to enable smooth operation of wipers, automatic lights, and sun-related functions.

Specifications and technical data

• SKU: 9873608
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9873608
• Substitutable numbers: 9873608, 61359873608
• Location on the vehicle: Front
• Category: Camera, Monitor & Sensor Kits

Purpose and Function in BMW G20

The presented sensor is dedicated for use in the front area of the BMW G20 series body, where it is responsible for reading ambient conditions on the windshield. It integrates in a single module the measurement of precipitation, light intensity, sun exposure, and the presence of fog, transmitting signals to the relevant vehicle control units. This allows the wiper system, exterior lighting, and comfort systems to operate automatically, without the need for constant driver intervention.

Scope of Operation and Benefits of Installation

Several functions that genuinely impact the car's user comfort are integrated into one compact module:

• automatic activation and adjustment of wiper operation depending on precipitation intensity,
• automatic control of lights based on current lighting conditions,
• cooperation with systems that react to sunlight on the windshield,
• support for functions related to detecting fog on the windshield.

Thanks to this, the BMW G20 Windshield Rain and Light Sensor enhances vehicle operation ergonomics, reduces driver distraction, and helps maintain proper visibility in changing weather conditions.

Integration with Vehicle Systems

The component belongs to the Cameras, Monitoring, and Sensor Kits group, meaning it works with other modules that monitor the vehicle's surroundings. Its placement at the front of the car allows for direct reading of conditions on the windshield, and then transferring data to control units responsible for, among others, wipers, lighting, and selected comfort functions. A correctly selected and installed sensor ensures consistent operation of these systems, without delays or unwanted reactions.

Condition, Origin, and Part Selection

The offered module is an original BMW part in used condition, which helps maintain the factory characteristics of the vehicle's systems. For correct selection, it is recommended to verify compatibility by OEM part number or interchangeable numbers and to match it to the specific equipment version of the BMW G20. A used component from the sensor group is often a reasonable compromise between cost and maintaining the original functionality of the factory system.

Expanding the Sensor System in BMW

If you are planning a comprehensive repair or upgrade of the windshield area in your BMW and need other parts from the same group, such as camera modules, additional sensors, or complete environment detection kits, check the available parts in the BMW Cameras, Monitoring, and Sensor Kits category.

Expert Knowledge on Used Parts

When choosing used electronic components and sensors, it is worth relying on reliable information regarding selection by part numbers and real cost differences compared to new components. The article Why it's Worth Buying Used Gearboxes and Engines – Facts Instead of Myths discusses the topic of quality and cost-effectiveness of purchasing used components more broadly, helping you understand how to approach buying parts from the secondary market consciously.