Mini R56 R57 BMW E60 E61 E60 E61 E65 E66 E81 E87 AUC Sensor Air Sensor 9240180

Mini R56 R57 BMW E60 E61 E60 E61 E65 E66 E81 E87 AUC Sensor Air Sensor is an original air conditioning and ventilation system component responsible for monitoring the quality of air drawn into the cabin. Thanks to precise measurement of environmental parameters, the sensor supports automatic air recirculation switching, improving comfort and protecting the interior from pollutants. This solution is dedicated to selected BMW 5, 7, 1, and 3 series models, ensuring consistency with the vehicle's factory electronic architecture.

Specifications and technical data

• SKU: 9240180
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9240180
• Substitutable numbers: 9240180, 64119240180, 6988303, 64116988303, 6926460, 64116926460, 9136607, 64119136607
• Category: HVAC Temperature Sensors

Purpose and function of the AUC sensor

The AUC air quality sensor works with the air conditioning system, analyzing the composition of external air and sending a signal to the climate control unit. Based on this, the system can automatically close the external air intake and switch to internal recirculation when it detects elevated levels of pollutants, exhaust fumes, or other harmful substances. This solution limits the ingress of unwanted odors and contaminants into the cabin, which is particularly important when driving in traffic jams, tunnels, or dense urban traffic.

In BMW E60, E61, E65, E66, E87, and E90 series vehicles, the AUC sensor is integrated with the climate control logic, meaning its proper operation has a direct impact on the efficiency of the automatic mode. Replacing a faulty component with an original sensor from the same product line allows for the restoration of full system functionality without the need for installation modifications.

Compatibility and integration with BMW electronics

The offered sensor has been designed specifically for BMW E60, E61, E65, E66, E87, and E90 platforms, which means it matches factory wiring, connectors, and control unit operating parameters. Such a design minimizes the risk of communication errors in the vehicle's bus and eliminates the need for adaptation or installation alterations. Using an original solution from the Temperature sensors group ensures consistency with the control software and predictable air conditioning system behavior in various road conditions.

This element is particularly important in cars equipped with automatic air conditioning, where precise cooperation between sensors and control modules determines the stability of temperature, humidity, and air quality in the cabin. Proper integration of the AUC sensor with the system translates into more comfortable and predictable operation of the entire unit.

Performance characteristics and benefits of use

Using an original AUC air quality sensor in a BMW brings a number of practical operational benefits:

• maintaining automatic air recirculation control based on real external conditions,
• limiting the ingress of exhaust fumes and smog into the vehicle interior,
• better cooperation with the factory climate control unit,
• preserving the original system functionality without interfering with the electrical installation.

As an element from the Temperature sensors group, the AUC sensor is designed for stable operation in variable thermal and environmental conditions, typical for the engine compartment and the front area of the vehicle. The appropriate housing and connector design promotes durability and proper cooperation with other system components.

Product condition and service application

The offered sensor is a used item, which makes it an attractive service solution for users looking for a compromise between repair costs and maintaining the vehicle's original specifications. Replacing a damaged sensor with a functional component from dismantling allows for the restoration of the automatic air recirculation function without the need to invest in a new part from the production line.

This approach is often chosen in professional workshops specializing in the BMW brand, where both compliance with the factory design and repair economy are important. Proper selection of the sensor in terms of model and equipment version helps avoid compatibility issues and shortens service time.

Selection support and additional information

When selecting used electronic components, such as sensors or control modules, it is crucial to pay attention to compatibility with the specific vehicle configuration. In practice, this means verifying manufacturer markings, hardware versions, and software to ensure proper cooperation with the existing installation. A detailed discussion of selection and installation principles can be found in the Global Parts guide: Used automotive electronics – ECU modules and sensors from the secondary market, which explains, among other things, compatibility issues, installation procedures, and common user questions.

If you are planning a comprehensive repair or upgrade of the air conditioning and ventilation area in your BMW and need other elements from the same group, such as sensors, control modules, or measuring elements, check the available parts in the BMW Temperature sensors category.