Dorman 902-020 Ambient Air Temperature Sensor

Ambient Air Temperature Sensor for BMW

Dorman 902-020 is an ambient air temperature sensor built to match the fit and function of the original sensor on specified BMW vehicles. It uses a plastic housing, a rectangular male connector, and a press-fit mount for direct replacement service on supported applications.

Key Features

• Ambient air temperature sensor for HVAC-related temperature input
• Plastic sensor construction with a 2-wire design
• Rectangular connector shape with 2 terminals
• Press-fit mount for OE-style installation
• Wiring harness included for repair of the connector side
• Package contents: sensor, connector, and harness

Detailed Description

This Dorman ambient air temperature sensor, part number 902-020, is engineered for specified BMW models where accurate outside air temperature data is needed for climate control and related vehicle systems. It is designed to match the original sensor’s fit and function while using durable plastic construction for dependable service. Compatible BMW applications include 2007-2011 BMW 328i, 2008-2011 BMW 528i, 2008-2011 BMW X3, and other listed 1995-2011 BMW models. This part cross-references Standard Ignition AX203 for the same application.

What It Helps Address

• Incorrect or unstable outside temperature readings
• HVAC display issues tied to ambient temperature input
• Faults caused by a damaged sensor connector or harness
• Loss of accurate temperature feedback for climate control operation
• Replacement needs on BMW ambient air temperature sensor applications

Installation Notes and Tips

Install this sensor in the original press-fit location and verify the connector locks securely to the harness. Confirm the vehicle application before installation, since Dorman 902-020 is listed for multiple BMW 1 Series M, 3 Series, 5 Series, 7 Series, X3, X5, X6, Z4, M3, M5, M6, and related models across 1995-2011. For best results, inspect the surrounding wiring and mounting point for corrosion, broken tabs, or heat damage before final assembly.

Quality Assurance

Dorman designs this ambient air temperature sensor to match original fit and function on specified vehicles and to provide durable, reliable performance in everyday use.