Description
BMW E60 E61 E63 E64 E65 E66 E67 Rain Sensor is an original part from the Other category, designed to work with the factory BMW electronic system. It enables automatic control of the wipers based on rainfall intensity, improving driving comfort and safety in changing weather conditions.
Specifications and technical data
- SKU: 9120309
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 9120309
- Substitutable numbers: 61359120309, 9120309, 61356921345, 61356935249, 61356906432, 61356933376, 61356947845, 61356922046, 61356940254, 61356980019, 61356917746, 6921345, 6935249, 6906432, 6933376, 6947845, 6922046, 6940254, 6980019, 6917746, AS
- Category: Other Interior Parts & Accessories
Application of the Rain Sensor in BMW E60–E67 Series
The BMW E60 E61 E63 E64 E65 E66 E67 Rain Sensor is intended for installation in BMW 5, 6, and 7 Series models of the specified generation that are equipped with the factory automatic wiper function. The component works with the comfort module and the wiper control system, analyzing the amount of water on the windshield and sending a signal to the control unit.
The sensor is mounted near the interior mirror, where it has direct optical contact with the glass surface. This allows it to react in real-time to changes in rainfall intensity, resulting in smooth adjustment of the wiper frequency.
Construction and Principle of Operation
The BMW rain sensor uses optical technology to detect raindrops on the windshield. Changes in the refractive index at the glass–air–water interface are converted into an electrical signal that is sent to the body control module. Based on this, the system decides to:
- activate the wipers upon the first drops of rain,
- adjust the operating speed to the rainfall intensity,
- work in conjunction with the automatic mode of the wiper stalk.
This solution relieves the driver from manually switching wiper speeds, which is particularly beneficial during city driving and on highways when weather conditions change rapidly.
Benefits of Installing an Original BMW Rain Sensor
Using an original rain sensor in the BMW E60–E67 series ensures:
- Full compatibility with the electrical system – proper communication with the body module and wiper system.
- Stable operation of automatic functions – correct response to rain, drizzle, and sudden changes in rainfall intensity.
- Consistency with the vehicle’s factory configuration – no need for wiring modifications or programming of replacement solutions.
This allows the driver to retain the vehicle’s original functionality, and the comfort system operates as intended by the manufacturer.
Item Condition and Installation Aspects
The offered BMW rain sensor is a used part, allowing for an economical replacement of a damaged sensor while maintaining the original specifications. Before installation, it is recommended to verify compatibility with the specific vehicle’s equipment and check the correct mounting to the windshield.
In practice, installation involves:
- removing the cover near the interior mirror,
- disconnecting the electrical connector of the old sensor,
- transferring or using the appropriate gel pad/optical adapter (if provided),
- connecting the connector and mounting the sensor in its designated location.
In many cases, after replacement, adaptation or calibration in the body control module using a suitable diagnostic tester is recommended so that the system correctly interprets signals from the new component.
Selection and Integration with Other BMW Components
When selecting a rain sensor for the BMW E60–E67 series, it is crucial to rely on the manufacturer’s part number and available interchangeable numbers to avoid compatibility issues. A correctly selected sensor will work with the factory comfort module, wiper stalk, and electrical system without requiring modifications.
If you need other parts from the Other BMW category, check availability via the link: Other BMW – full offer of additional parts. This will help you easily assemble additional components needed for service work on the body and comfort equipment.
Technical Support and Additional Knowledge
When expanding or upgrading a car with more advanced equipment versions, it is beneficial to know the differences between individual model lines and sport packages. For a comparison of the characteristics of equipment and technical solutions in higher-class cars, you can refer to the article: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which illustrates how manufacturers differentiate standard and sport versions in terms of mechanics and electronics.
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