BMW F01 F02 F04 F06 F07 F10 Sensor X AUC 9350423

The BMW F01 F02 F04 F06 F07 F10 AUC Air Quality Sensor is an original component of the climate control system, responsible for monitoring the quality of air drawn into the cabin. Thanks to precise pollutant measurement, the sensor works with the vehicle's electronics, enabling automatic air recirculation and improving driving comfort. This solution is particularly useful in city traffic, tunnels, and in conditions of increased smog, where stable and predictable ventilation system operation is crucial.

Specifications and technical data

• SKU: 9350423
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9350423
• Substitutable numbers: 9350423, 64119350423, 6826346, 64116826346, 6818831, 64116818831, 9123861, 64119123861, 6822554, 64116822554, 9305877, 64119305877
• Category: Switches & Controls

Function and Role of the AUC Air Quality Sensor

The AUC air quality sensor in BMW F01, F02, F04, F06, F07, and F10 series models works with the air conditioning control module, analyzing the composition of the air outside the vehicle. Based on the sensor's signal, the system can automatically close the intake of outside air and switch to recirculation mode, limiting the ingress of exhaust fumes and other harmful substances into the cabin. This ensures more stable operating conditions for the air conditioning system and improves user comfort, especially when driving in traffic jams or heavy city traffic.

Integration with BMW Control System

As a component from the Switches, Control Elements, and Ignition Switches group, the air quality sensor is part of the vehicle's broader comfort management system. It works with the body electronics and the climate control module, transmitting signals in electrical form to the controller, which then makes decisions about the ventilation mode based on this information. Using an original BMW component ensures compatibility with the factory operating characteristics, which is important for vehicle diagnostics, calibration, and subsequent operation.

Benefits of Using an Original BMW Sensor

Using an original air quality sensor in the BMW air conditioning system offers a number of practical benefits:

• stable cooperation with the factory control unit software,
• correct system response to changes in external air quality,
• maintenance of air conditioning operating parameters as intended by the manufacturer,
• easier diagnostics in case of potential control system malfunctions.

This ensures predictable system operation for the driver, and the air conditioning system can effectively protect the interior from excessive intake of exhaust fumes and other pollutants. In conjunction with properly functioning cabin filters, the sensor is an important element for vehicle user comfort.

Product Characteristics and Condition

The offered AUC air quality sensor is a BMW brand component, designed for installation in F01, F02, F04, F06, F07, and F10 series vehicles equipped with an automatic air recirculation control system. The product is from disassembly, allowing for an economical replacement of a damaged or faulty sensor while maintaining the original manufacturer's specifications. This type of solution is often chosen for servicing premium class vehicles where compatibility with the factory installation and predictable control system behavior are important.

Practical Application in Service

Replacing the air quality sensor is recommended when the air conditioning system does not respond correctly to external pollutants, the recirculation mode does not activate automatically, or errors related to the AUC system appear in the control unit's memory. Installing an original component from the same group of control components restores correct system operation without the need for intervention in the wiring harness or software modifications. This solution is particularly beneficial for workshops specializing in the BMW brand and for users who care about maintaining the consistency of the parts used.

If you are planning a comprehensive repair or upgrade of the comfort control area in your BMW and need other components from the same group, such as switches, control modules, or ignition switch elements, check the available parts in the BMW Switches, Control Elements, and Ignition Switches category.

If you are considering using used components in other premium cars as well and want to better understand the advantages of original parts from disassembly, it is worth reading the guide on our blog: Used Parts for Mercedes – Original Parts from Disassembly, which discusses the practical aspects of such a solution.