BMW 3 7 Series E36 E38 Evaporator Temperature Sensor 1374243

BMW 3 7 Series E36 E38 Evaporator Temperature Sensor is a precision air conditioning system component responsible for monitoring evaporator temperature and ensuring stable system operation. By using an original BMW solution from the Temperature Sensors category, proper communication with the vehicle's electronics and correct control of the compressor and blower are maintained. It is a practical choice for users who want to restore proper air conditioning functionality without interfering with the wiring.

Specifications and technical data

• SKU: 1374243
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1374243
• Substitutable numbers: 64518364458, 8364458, 64111374243, 1374243, 64111468410, 1468410, 64518351037, 8351037, EM
• Category: HVAC Temperature Sensors

Application and function in the air conditioning system

The presented BMW 3 7 Series E36 E38 Evaporator Temperature Sensor is designed for BMW 3 Series E36 and 7 Series E38 models, where it is responsible for measuring the temperature in the air conditioning evaporator area. Based on its signal, the controller regulates compressor operation, prevents evaporator icing, and helps maintain stable thermal comfort in the cabin.

A properly functioning sensor helps avoid common symptoms of air conditioning malfunction, such as excessive compressor cycling, poor cooling, or fluctuations in air temperature. Replacing a worn-out element with an original BMW component restores predictable system operation without the need for modifying the wiring harness or the controller.

Compatibility and selection by part numbers

The element belongs to the Temperature Sensors group, meaning it works directly with the air conditioning control electronics. Selection is based on the OEM part number and available interchangeable numbers, allowing for precise verification of compatibility with a specific vehicle equipment version. This approach minimizes the risk of installing an incompatible replacement and facilitates service both in workshop conditions and during DIY repairs.

For peace of mind, it is worth comparing the markings with the existing element or using the BMW parts catalog, taking into account the body style, model year, and air conditioning configuration. Thanks to this, the sensor can be used as a direct replacement for the factory-installed component.

Characteristics of the used element

The offered sensor is a used original BMW element, which in practice means maintaining the factory design and operating parameters while offering a more favorable cost compared to a new part. Such components are frequently chosen for repairs of older BMW generations, where both technical compliance and the economic aspect of service are important.

In the case of temperature sensors, it is crucial that the element maintains stable measurement characteristics and works correctly with the vehicle's electrical system. Choosing an original sensor from a dismantled vehicle allows for maintaining consistency with the factory air conditioning system design, without the need for adaptation or additional modifications.

Benefits of using an original BMW sensor

• Factory geometry and connector matched to the BMW 3 Series E36 and 7 Series E38 installation.
• Consistent cooperation with air conditioning control electronics, without the need for programming replacements.
• Reduction of the risk of controller errors resulting from incorrect temperature readings.
• An economical solution for vehicles used on a daily basis, while maintaining the original system concept.

Thanks to these features, the sensor is a reasonable choice for air conditioning repairs when the priority is to restore proper function without excessive costs. This is particularly important for older BMW generations, where the availability of new parts can be limited, and original used components remain a practical alternative.

More about used electronics and sensors

If you want to better understand how to safely select used modules and sensors, what to pay attention to regarding part numbers, and how to verify compatibility with a specific car, check out the Global Parts guide: Used automotive electronics – ECU modules and second-hand sensors. It is a practical source of knowledge that helps in making informed purchasing decisions when servicing BMW electronics.

If you are planning a comprehensive repair or upgrade of the temperature and air conditioning control area in your BMW and need other elements from the same group, such as coolant temperature sensors, ambient temperature sensors, or interior temperature sensors, check out the available parts in the BMW Temperature Sensors category.