BMW 1 2 3 4 Series F20 F21 F30 F31 F32 Rain Light Solar Sensor 6814596

The BMW F20 F21 F30 F31 F32 Rain Light Sensor is an item from the Electronic Control Units and Controllers category, responsible for the automatic control of selected comfort functions in your BMW. A properly selected sensor improves driving comfort, ensures stable operation of electronic systems, and supports safe use of lighting and wipers. It is a practical solution for drivers who expect efficient operation of factory-assisted systems.

Specifications and technical data

• SKU: 6814596
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6814596
• Substitutable numbers: 61356814596, 6814596, 61359354843, 9354843, 61359332179, 9332179, 61359387621, 9387621, 61359354225, 9354225, 61359339241, 9339241, 61359321006, 9321006, 61359347395, 9347395, 61359311711, 9311711, 61355B4A6B2, 1355462, 61355A70A01, 3557001, 61355A61844, 5561844, 61359873608, 9873608, 61356832974, 6832974
• Category: ECUs & Computer Modules

Sensor Purpose and Function

The BMW F20 F21 F30 F31 F32 Rain Light Sensor works with the vehicle's electrical system, transmitting information about light intensity and the presence of precipitation on the windshield to the control units. This enables automatic activation of lights and automatic operation of wipers, according to the logic implemented by the manufacturer.

The sensor is a component of the comfort and safety system that:

• enables the vehicle to react automatically to changing weather conditions,
• relieves the driver from the need to manually switch selected functions,
• supports the correct operation of associated BMW electronic modules.

Compatibility and Integration with BMW Electronics

The offered sensor belongs to the group of BMW Electronic Control Units and Controllers, designed to work with the vehicle's factory electrical architecture. The component is intended for F-series models where the manufacturer has provided for the use of a rain and light sensor within the windshield area.

As part of the OEM family, the sensor is prepared to operate within the BMW control unit environment, which promotes communication consistency within the vehicle's bus and reduces the risk of errors resulting from the use of unsuitable replacements.

Characteristics as a Used Module

The product is from a dismantled vehicle and has the status of a used electronic component. These types of sensors, when operated correctly, retain their functional properties, and their reuse is a popular solution in workshops specializing in the BMW brand. Choosing a used module allows for reduced repair costs while maintaining the original construction and operating logic of the system.

A sensor of this type is particularly useful for:

• damage to the factory sensor as a result of a collision or windshield replacement,
• diagnosing problems with automatic light or wiper activation,
• restoring full functionality of comfort systems after body and paint repairs.

Why Choose an Original BMW Module

For components such as the rain and light sensor, maintaining compatibility with the vehicle's software and other control units is crucial. An original BMW module ensures:

• consistent operation with onboard systems and manufacturer logic,
• appropriate operating parameters in terms of sensitivity and reaction to external conditions,
• the possibility of correct adaptation and coding in a specialized service center.

This provides the driver with stable operation of automatic functions, without the need for intervention in the electrical system or the use of non-factory solutions.

Related BMW Electronic Control Units

If you are looking for other BMW Electronic Control Units and Controllers, check out the BMW Electronic Control Units and Controllers available in our assortment to select components tailored to the specific model and generation of your car.

More practical information on the operation and repair of electronic systems can be found in the article Years of Driving Pleasure – How to Care for iDrive Systems and Electronic Modules in BMW 3 and 5 Series Models Using Dismantled Parts?, which describes, among other things, the use of used modules in BMW vehicle servicing.