BMW E60 E61 E63 E64 E65 E66 E67 Rain and Light Sensor 6947845

BMW E60 E61 E63 E64 E65 E66 E67 Rain and Light Sensor is an original component designed for advanced comfort and safety systems in selected BMW models. It is responsible for the automatic control of exterior lighting and windshield wipers, providing the driver with convenient operation, improved visibility, and stable performance of driving assistance systems. This solution is particularly valued in daily use, especially in changing weather conditions.

Specifications and technical data

• SKU: 6947845
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6947845
• Substitutable numbers: 61359120309, 9120309, 61356921345, 61356935249, 61356906432, 61356933376, 61356947845, 61356922046, 61356940254, 61356980019, 61356917746, 6921345, 6935249, 6906432, 6933376, 6947845, 6922046, 6940254, 6980019, 6917746
• Category: Other Interior Parts & Accessories

Function and application of the BMW rain and light sensor

The rain and light sensor in BMW E60, E61, E63, E65, and E66 series works with the vehicle's electrical system, monitoring light intensity and the presence of precipitation on the windshield. Based on this data, it controls, among other things, the automatic switching on of exterior lights and the activation of wipers in automatic mode. This allows the driver to focus on driving while the system reacts to changing environmental conditions.

In practice, this means:

• automatic switching on of lights at dusk or when entering a tunnel,
• automatic activation of wipers when precipitation appears,
• adjustment of wiper frequency to the intensity of the rain,
• consistent operation with factory BMW comfort and safety systems.

Compatibility and integration with BMW electronics

The offered sensor is a BMW OE component, which means full compatibility with factory wiring harnesses, mounting brackets, and control unit software in BMW E60, E61, E63, E65, and E66 vehicles. Using an original solution minimizes the risk of bus communication errors, coding issues, and improper operation of automatic functions.

Important benefits of using an original sensor:

• preservation of factory comfort system functionality,
• stable cooperation with lighting and wiper control modules,
• no need for electrical system modifications,
• easier diagnostics in case of potential faults.

Characteristics of the used component

The presented rain and light sensor is a used component, sourced from dismantling. Such components are frequently chosen for servicing older generations of BMW, as they allow for maintaining the original vehicle specification at a reasonable repair cost. In the case of body electronics, using parts from the same model line often ensures better compatibility than non-original replacements.

Before installation, a standard workshop procedure is recommended, including checking for proper operation in the vehicle and – if necessary – adaptation or coding according to the manufacturer's guidelines. Thanks to this, the sensor can continue to operate in the vehicle's system, supporting safe and comfortable BMW operation.

Selecting parts by OEM number and interchangeable numbers

Proper selection of the rain and light sensor for a specific BMW unit is crucial for the correct operation of the system. For this purpose, it is worth using the OEM part number and available interchangeable numbers, which allow for precise matching of the component to the vehicle's equipment version and model year. This information is particularly important when comparing the element with the sensor currently installed in the vehicle.

In the product description and the specifications section, you will find markings that allow you to verify compatibility with your BMW. In case of doubt, a good solution is to compare the number from the label of your current sensor with the data in the offer or consult a service center specializing in the BMW brand.

Expanding comfort system upgrades in BMW

If you are planning a comprehensive repair or upgrade of the cowl area and windshield in your BMW and need other elements from the same group, such as control modules, body sensors, or electrical system components, check the available parts in the Other BMW category.

To compare solutions used in different brands and vehicle segments, including sports models, an article discussing differences in the design of powertrains, braking systems, and chassis may be helpful. More information can be found in the blog post Audi RS vs other models – what is hidden under the hood and chassis?, which allows for a better understanding of how manufacturers design advanced systems that interact with vehicle electronics.

Summary

BMW E60 E61 E63 E64 E65 E66 E67 Rain and Light Sensor is an original component designed for integration with factory comfort and safety systems in selected BMW models. It provides automatic control of lighting and wipers, improving driving convenience and the vehicle's response to changing weather conditions. Choosing this type of component is a practical solution for servicing or restoring full functionality of equipment in E-series BMW cars.