BMW F20 F21 Rain Light Solar Sensor Windscreen 9475148

BMW F20 F21 Rain Light Solar Sensor Windscreen is an original BMW component responsible for precise detection of precipitation and light intensity on the windshield. Thanks to this sensor, the wiper system and automatic lighting control system can operate in a more comfortable and predictable manner for the driver.

Specifications and technical data

• SKU: 9475148
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9475148
• Substitutable numbers: 9475148, 61359475148, 9496243, 61359496243, 6806746, 61356806746, 9332181, 61359332181, 9354845, 61359354845, 7939174, 61357939174, 9387625, 61359387625, 9861559, 61359861559, 6814598, 61356814598, 9293282, 61359293282, 9266414, 61359266414, 9347397, 61359347397
• Category: Additional Wiper & Washer Components

Function and application of the sensor

The rain and light sensor mounted on the windshield in the BMW F20/F21 series is responsible for analyzing weather conditions in real-time. Based on signals from this module, the vehicle's controller can automatically adjust wiper operation and react to changes in external lighting, which improves road visibility and relieves the driver from the need to manually switch settings.

This component works with the factory BMW electrical installation, ensuring operational consistency with other comfort and safety systems. A properly selected sensor allows for maintaining the full functionality of the equipment with which the car left the production line.

Benefits of using an original BMW sensor

Using an original sensor in the BMW F20/F21 ensures a proper fit to the shape of the windshield and compatibility with the vehicle's software. As a result:

• the wiper system can react smoothly to changing precipitation intensity,
• the system reacting to sunlight receives reliable input data,
• consistency of operating parameters with factory BMW settings is maintained.

Choosing such a solution is particularly important when replacing a damaged module, especially when you want to maintain the original functionality of the vehicle without the need for additional installation modifications.

Condition and technical aspect

The offered sensor belongs to the Other wiper parts group, meaning it is a component that works with the system responsible for maintaining visibility through the windshield. As a used part, it comes from disassembly, which allows for combining original origin with an attractive price compared to new components. This type of solution is often chosen for repairs where compliance with the factory vehicle specification is crucial.

For proper selection, it is important to pay attention to compatibility with the specific BMW F20/F21 equipment version and the parameters recorded in the vehicle's technical documentation. In case of doubt, it is worth comparing the markings on the module you have with the data in the product specification.

Selection by OEM number and interchangeable numbers

When choosing a rain and light sensor for a BMW, it is very helpful to use the OEM part number and available interchangeable numbers. This reduces the risk of purchasing an element with a similar appearance but a different purpose or electrical configuration. In practice, the safest solution is to compare data with the vehicle documentation or the removed component.

To facilitate the verification process, it is worth using the practical tips described in the article Guide: how to choose the right car part by VIN and OEM number, where the method of checking part compatibility with a specific car model is discussed step by step.

Expanding repairs within the BMW wiper system

If you are planning a comprehensive repair or upgrade of the area responsible for the operation of wipers and sensors on the windshield in your BMW and need other elements from the same group, such as additional control modules, mounts, or accessory components working with the sensor, check the available parts in the Other BMW wiper parts category.

In a situation where you want to reduce service costs while maintaining original solutions, the article Rising repair costs and the boom in used parts – how to save on car service? may also be helpful, describing how to consciously choose used OEM components and what to pay attention to when purchasing them.