BMW E60 E61 E81 E87 E90 E91 F20 F30 Sensor AUC Air Conditioning 9240180

Description

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E60 E61 E81 E87 E90 E91 F20 F30 Sensor AUC Air Conditioning is an original air conditioning and ventilation system component responsible for automatically detecting air pollutants outside the vehicle. Thanks to precise air quality measurement, the sensor works with the recirculation system, improving driving comfort and limiting the ingress of exhaust fumes and unpleasant odors into the cabin. This solution is particularly useful in city traffic, in traffic jams, and when driving in areas with high pollution levels.

Specifications and technical data

• SKU: 9240180-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9240180
• Substitutable numbers: 9240180, 64119240180, 6988303, 64116988303, 6926460, 64116926460, 9136607, 64119136607, KD
• Category: Other Air Conditioning & Heating

Function and role of the AUC sensor in BMW

The AUC odor sensor in the E60, E61, E81, E87, E90, E91, F20, and F30 series models monitors the composition of air drawn from the outside and sends a signal to the climate control unit. Based on this, the system automatically switches between fresh air and recirculation modes, which helps limit the ingress of exhaust fumes, smoke, and other harmful substances into the vehicle interior. In practice, this means more stable cabin conditions, reduced load on filters, and higher user comfort.

A functional AUC sensor supports proper operation of the automatic air conditioning, reduces the need for manual driver intervention, and helps maintain predictable air parameters in the cabin, which is especially important during long trips and intensive vehicle use.

Compatibility and integration with the vehicle system

The presented sensor is a component designed for specific generations of BMW vehicles where the air conditioning system supports the AUC function. As a BMW OE part, it is designed to work with the factory electrical installation and the original climate control unit, which facilitates installation and ensures proper communication with other vehicle modules.

By maintaining factory specifications, the sensor works with existing wiring harnesses and mounting brackets, allowing for a near plug-and-play replacement. Proper fitment reduces the risk of diagnostic errors, fault messages, and malfunctions of the automatic air recirculation.

Characteristics of the used component

The offered AUC odor sensor is a used component, sourced from vehicle dismantling, which allows for an economical repair of the air conditioning system while maintaining the manufacturer’s original specifications. Choosing parts from this group is often preferred for older BMW generations, where compatibility with the existing installation and software is crucial.

A used OEM component is a solution that, in many cases, allows for reduced vehicle downtime and lower service costs, while maintaining the predictable behavior of the air conditioning and ventilation system.

Benefits of using an original AUC sensor

• Better interior protection – automatic limitation of exhaust fumes and smoke entering the cabin.
• Stable cooperation with the factory BMW climate control unit.
• Ability to maintain full functionality of the automatic air conditioning mode.
• Economical repair thanks to the use of a used OEM component.

If you want to better understand how the selection of appropriate components affects the performance and character of a car, it is worth reading an analysis of sports designs – a detailed comparison can be found in the article Audi RS vs other models – what is hidden under the hood and chassis?.

For users who care about shortening repair time and optimizing service costs by using original dismantled parts, the guide how the immediate availability of used OEM parts affects the time a car spends in the workshop may also be helpful.

Expansion of the system within the same parts group

If you are planning a comprehensive repair or upgrade of the air conditioning and ventilation zone in your BMW and need other components from the same group, such as air quality sensors, blower control modules, or additional installation elements, check the available parts in the Other BMW category.